-53.78% is the change from 991 to 458
Calculation steps:
[( 458 - 991 ) ÷ 991] x 100 = -53.78%
Formula
Percentage change = [(458 - 991) / 991] x 100
Subtract the new number by the original number
458 - 991 = -533
-533 ÷ 991 = -0.5378405650857719
-0.5378405650857719 x 100 = -53.78%