-95.82% is the change from 958 to 40
Calculation steps:
[( 40 - 958 ) ÷ 958] x 100 = -95.82%
Formula
Percentage change = [(40 - 958) / 958] x 100
Subtract the new number by the original number
40 - 958 = -918
-918 ÷ 958 = -0.9582463465553236
-0.9582463465553236 x 100 = -95.82%