90 % = .90 (% means to divide by 100) and of means 'times' in Math. Now convert the words into an equation:
.90 x 400 = 360
90%
400 USD
15% of 60.00= 15% * 60= 0.15 * 60= 9.00
0.4444
400 USD
67.5% of 400 = 270
9 percent of 400 is 36.
69 percent of 400 is 276.
17.5 percent of 400 is 70
8.000 is two percent of 400.
400 percent of 1000 = 4000
0.6 percent of 400 is 2.4