34.83% is the change from 511 to 689
Calculation steps:
[( 689 - 511 ) ÷ 511] x 100 = 34.83%
Formula
Percentage change = [(689 - 511) / 511] x 100
Subtract the new number by the original number
689 - 511 = 178
178 ÷ 511 = 0.34833659491193736
0.34833659491193736 x 100 = 34.83%