21.86% is the change from 526 to 641
Calculation steps:
[( 641 - 526 ) ÷ 526] x 100 = 21.86%
Formula
Percentage change = [(641 - 526) / 526] x 100
Subtract the new number by the original number
641 - 526 = 115
115 ÷ 526 = 0.21863117870722434
0.21863117870722434 x 100 = 21.86%