59.63% is the change from 270 to 431
Calculation steps:
[( 431 - 270 ) ÷ 270] x 100 = 59.63%
Formula
Percentage change = [(431 - 270) / 270] x 100
Subtract the new number by the original number
431 - 270 = 161
161 ÷ 270 = 0.5962962962962963
0.5962962962962963 x 100 = 59.63%