Here, just divide 413 by 1045 to give a decimal:
413 / 1045 = approximately 0.395
Since this is a decimal, you have to multiply your answer by 100 to get a percent:
0.395 x 100 = 39.5%
39.5%
Air is about 78% nitrogen pretty much everywhere on Earth.
0.67 = 6.7% to the nearest percent is 7%
12.5 percent is already round to the nearest tenth of a percent.
0.06 to the nearest tenth of a percent is 6.0%
3.58 percent (0.0358) rounded to the nearest 125 percent (12,500) is zero.
0.5
5.6% is already rounded off to the nearest tenth of a percent.
A 33% increase, rounded to the nearest whole percent.
25.5% rounded to nearest whole percent is 26%
3,280 as a percentage of 38,650 is 8% to nearest percent
193 percent to the nearest hundredth = 1.93195% = 193%/100% = 1.93 to the nearest hundredth