62.93% is the change from 526 to 857
Calculation steps:
[( 857 - 526 ) ÷ 526] x 100 = 62.93%
Formula
Percentage change = [(857 - 526) / 526] x 100
Subtract the new number by the original number
857 - 526 = 331
331 ÷ 526 = 0.629277566539924
0.629277566539924 x 100 = 62.93%