21.82% is the change from 527 to 642
Calculation steps:
[( 642 - 527 ) ÷ 527] x 100 = 21.82%
Formula
Percentage change = [(642 - 527) / 527] x 100
Subtract the new number by the original number
642 - 527 = 115
115 ÷ 527 = 0.21821631878557876
0.21821631878557876 x 100 = 21.82%