-53.58% is the change from 991 to 460
Calculation steps:
[( 460 - 991 ) ÷ 991] x 100 = -53.58%
Formula
Percentage change = [(460 - 991) / 991] x 100
Subtract the new number by the original number
460 - 991 = -531
-531 ÷ 991 = -0.5358224016145308
-0.5358224016145308 x 100 = -53.58%