72.58% is the change from 310 to 535
Calculation steps:
[( 535 - 310 ) ÷ 310] x 100 = 72.58%
Formula
Percentage change = [(535 - 310) / 310] x 100
Subtract the new number by the original number
535 - 310 = 225
225 ÷ 310 = 0.7258064516129032
0.7258064516129032 x 100 = 72.58%