829.63% is the change from 54 to 502
Calculation steps:
[( 502 - 54 ) ÷ 54] x 100 = 829.63%
Formula
Percentage change = [(502 - 54) / 54] x 100
Subtract the new number by the original number
502 - 54 = 448
448 ÷ 54 = 8.296296296296296
8.296296296296296 x 100 = 829.63%