93.33% is the change from 270 to 522
Calculation steps:
[( 522 - 270 ) ÷ 270] x 100 = 93.33%
Formula
Percentage change = [(522 - 270) / 270] x 100
Subtract the new number by the original number
522 - 270 = 252
252 ÷ 270 = 0.9333333333333333
0.9333333333333333 x 100 = 93.33%