72.44% is the change from 312 to 538
Calculation steps:
[( 538 - 312 ) ÷ 312] x 100 = 72.44%
Formula
Percentage change = [(538 - 312) / 312] x 100
Subtract the new number by the original number
538 - 312 = 226
226 ÷ 312 = 0.7243589743589743
0.7243589743589743 x 100 = 72.44%