53.47% is the change from 331 to 508
Calculation steps:
[( 508 - 331 ) ÷ 331] x 100 = 53.47%
Formula
Percentage change = [(508 - 331) / 331] x 100
Subtract the new number by the original number
508 - 331 = 177
177 ÷ 331 = 0.5347432024169184
0.5347432024169184 x 100 = 53.47%