57.69% is the change from 312 to 492
Calculation steps:
[( 492 - 312 ) ÷ 312] x 100 = 57.69%
Formula
Percentage change = [(492 - 312) / 312] x 100
Subtract the new number by the original number
492 - 312 = 180
180 ÷ 312 = 0.5769230769230769
0.5769230769230769 x 100 = 57.69%