53.56% is the change from 534 to 820
Calculation steps:
[( 820 - 534 ) ÷ 534] x 100 = 53.56%
Formula
Percentage change = [(820 - 534) / 534] x 100
Subtract the new number by the original number
820 - 534 = 286
286 ÷ 534 = 0.5355805243445693
0.5355805243445693 x 100 = 53.56%