30.57% is the change from 507 to 662
Calculation steps:
[( 662 - 507 ) ÷ 507] x 100 = 30.57%
Formula
Percentage change = [(662 - 507) / 507] x 100
Subtract the new number by the original number
662 - 507 = 155
155 ÷ 507 = 0.3057199211045365
0.3057199211045365 x 100 = 30.57%