32.22% is the change from 270 to 357
Calculation steps:
[( 357 - 270 ) ÷ 270] x 100 = 32.22%
Formula
Percentage change = [(357 - 270) / 270] x 100
Subtract the new number by the original number
357 - 270 = 87
87 ÷ 270 = 0.32222222222222224
0.32222222222222224 x 100 = 32.22%