56.46% is the change from 526 to 823
Calculation steps:
[( 823 - 526 ) ÷ 526] x 100 = 56.46%
Formula
Percentage change = [(823 - 526) / 526] x 100
Subtract the new number by the original number
823 - 526 = 297
297 ÷ 526 = 0.564638783269962
0.564638783269962 x 100 = 56.46%