X Divided by Y multiplied by 100.
41 percent percent of 40 = 0.164
12.22
there is no need for an estimate - exact answer is 212.80
Estimate: 40 Actual: 37.92
It is 0.8
23 percent of 81 is 18.63.
Since 50% of 16 is 8 we can estimate that 52 percent of 16 would be slightly higher than 8, or 8.1-8.4.
Estimate: 70 percent of 50 (I lowered the percent, so I rounded the number up. My way of estimating) which is 35. Actual: 32 3/25
17.4
15.6
.070
4,33