-2.3% is the change from 958 to 936
Calculation steps:
[( 936 - 958 ) ÷ 958] x 100 = -2.3%
Formula
Percentage change = [(936 - 958) / 958] x 100
Subtract the new number by the original number
936 - 958 = -22
-22 ÷ 958 = -0.022964509394572025
-0.022964509394572025 x 100 = -2.3%