53.8% is the change from 526 to 809
Calculation steps:
[( 809 - 526 ) ÷ 526] x 100 = 53.8%
Formula
Percentage change = [(809 - 526) / 526] x 100
Subtract the new number by the original number
809 - 526 = 283
283 ÷ 526 = 0.5380228136882129
0.5380228136882129 x 100 = 53.8%