-66.91% is the change from 958 to 317
Calculation steps:
[( 317 - 958 ) ÷ 958] x 100 = -66.91%
Formula
Percentage change = [(317 - 958) / 958] x 100
Subtract the new number by the original number
317 - 958 = -641
-641 ÷ 958 = -0.6691022964509394
-0.6691022964509394 x 100 = -66.91%