35.03% is the change from 511 to 690
Calculation steps:
[( 690 - 511 ) ÷ 511] x 100 = 35.03%
Formula
Percentage change = [(690 - 511) / 511] x 100
Subtract the new number by the original number
690 - 511 = 179
179 ÷ 511 = 0.350293542074364
0.350293542074364 x 100 = 35.03%