-89.54% is the change from 497 to 52
Calculation steps:
[( 52 - 497 ) ÷ 497] x 100 = -89.54%
Formula
Percentage change = [(52 - 497) / 497] x 100
Subtract the new number by the original number
52 - 497 = -445
-445 ÷ 497 = -0.8953722334004024
-0.8953722334004024 x 100 = -89.54%