-90.54% is the change from 497 to 47
Calculation steps:
[( 47 - 497 ) ÷ 497] x 100 = -90.54%
Formula
Percentage change = [(47 - 497) / 497] x 100
Subtract the new number by the original number
47 - 497 = -450
-450 ÷ 497 = -0.9054325955734407
-0.9054325955734407 x 100 = -90.54%