-80.13% is the change from 458 to 91
Calculation steps:
[( 91 - 458 ) ÷ 458] x 100 = -80.13%
Formula
Percentage change = [(91 - 458) / 458] x 100
Subtract the new number by the original number
91 - 458 = -367
-367 ÷ 458 = -0.8013100436681223
-0.8013100436681223 x 100 = -80.13%