820.37% is the change from 54 to 497
Calculation steps:
[( 497 - 54 ) ÷ 54] x 100 = 820.37%
Formula
Percentage change = [(497 - 54) / 54] x 100
Subtract the new number by the original number
497 - 54 = 443
443 ÷ 54 = 8.203703703703704
8.203703703703704 x 100 = 820.37%