38.75% is the change from 511 to 709
Calculation steps:
[( 709 - 511 ) ÷ 511] x 100 = 38.75%
Formula
Percentage change = [(709 - 511) / 511] x 100
Subtract the new number by the original number
709 - 511 = 198
198 ÷ 511 = 0.38747553816046965
0.38747553816046965 x 100 = 38.75%