30.17% is the change from 527 to 686
Calculation steps:
[( 686 - 527 ) ÷ 527] x 100 = 30.17%
Formula
Percentage change = [(686 - 527) / 527] x 100
Subtract the new number by the original number
686 - 527 = 159
159 ÷ 527 = 0.301707779886148
0.301707779886148 x 100 = 30.17%