803.7% is the change from 54 to 488
Calculation steps:
[( 488 - 54 ) ÷ 54] x 100 = 803.7%
Formula
Percentage change = [(488 - 54) / 54] x 100
Subtract the new number by the original number
488 - 54 = 434
434 ÷ 54 = 8.037037037037036
8.037037037037036 x 100 = 803.7%