52.22% is the change from 270 to 411
Calculation steps:
[( 411 - 270 ) ÷ 270] x 100 = 52.22%
Formula
Percentage change = [(411 - 270) / 270] x 100
Subtract the new number by the original number
411 - 270 = 141
141 ÷ 270 = 0.5222222222222223
0.5222222222222223 x 100 = 52.22%