31.37% is the change from 526 to 691
Calculation steps:
[( 691 - 526 ) ÷ 526] x 100 = 31.37%
Formula
Percentage change = [(691 - 526) / 526] x 100
Subtract the new number by the original number
691 - 526 = 165
165 ÷ 526 = 0.31368821292775667
0.31368821292775667 x 100 = 31.37%