803.64% is the change from 55 to 497
Calculation steps:
[( 497 - 55 ) ÷ 55] x 100 = 803.64%
Formula
Percentage change = [(497 - 55) / 55] x 100
Subtract the new number by the original number
497 - 55 = 442
442 ÷ 55 = 8.036363636363637
8.036363636363637 x 100 = 803.64%