29.55% is the change from 511 to 662
Calculation steps:
[( 662 - 511 ) ÷ 511] x 100 = 29.55%
Formula
Percentage change = [(662 - 511) / 511] x 100
Subtract the new number by the original number
662 - 511 = 151
151 ÷ 511 = 0.29549902152641877
0.29549902152641877 x 100 = 29.55%