59.29% is the change from 312 to 497
Calculation steps:
[( 497 - 312 ) ÷ 312] x 100 = 59.29%
Formula
Percentage change = [(497 - 312) / 312] x 100
Subtract the new number by the original number
497 - 312 = 185
185 ÷ 312 = 0.592948717948718
0.592948717948718 x 100 = 59.29%