29.59% is the change from 507 to 657
Calculation steps:
[( 657 - 507 ) ÷ 507] x 100 = 29.59%
Formula
Percentage change = [(657 - 507) / 507] x 100
Subtract the new number by the original number
657 - 507 = 150
150 ÷ 507 = 0.2958579881656805
0.2958579881656805 x 100 = 29.59%