-73.17% is the change from 958 to 257
Calculation steps:
[( 257 - 958 ) ÷ 958] x 100 = -73.17%
Formula
Percentage change = [(257 - 958) / 958] x 100
Subtract the new number by the original number
257 - 958 = -701
-701 ÷ 958 = -0.7317327766179541
-0.7317327766179541 x 100 = -73.17%