34.7% is the change from 513 to 691
Calculation steps:
[( 691 - 513 ) ÷ 513] x 100 = 34.7%
Formula
Percentage change = [(691 - 513) / 513] x 100
Subtract the new number by the original number
691 - 513 = 178
178 ÷ 513 = 0.3469785575048733
0.3469785575048733 x 100 = 34.7%