50.56% is the change from 534 to 804
Calculation steps:
[( 804 - 534 ) ÷ 534] x 100 = 50.56%
Formula
Percentage change = [(804 - 534) / 534] x 100
Subtract the new number by the original number
804 - 534 = 270
270 ÷ 534 = 0.5056179775280899
0.5056179775280899 x 100 = 50.56%