54.75% is the change from 526 to 814
Calculation steps:
[( 814 - 526 ) ÷ 526] x 100 = 54.75%
Formula
Percentage change = [(814 - 526) / 526] x 100
Subtract the new number by the original number
814 - 526 = 288
288 ÷ 526 = 0.5475285171102662
0.5475285171102662 x 100 = 54.75%