52.27% is the change from 331 to 504
Calculation steps:
[( 504 - 331 ) ÷ 331] x 100 = 52.27%
Formula
Percentage change = [(504 - 331) / 331] x 100
Subtract the new number by the original number
504 - 331 = 173
173 ÷ 331 = 0.5226586102719033
0.5226586102719033 x 100 = 52.27%