30.31% is the change from 508 to 662
Calculation steps:
[( 662 - 508 ) ÷ 508] x 100 = 30.31%
Formula
Percentage change = [(662 - 508) / 508] x 100
Subtract the new number by the original number
662 - 508 = 154
154 ÷ 508 = 0.3031496062992126
0.3031496062992126 x 100 = 30.31%