-97.6% is the change from 958 to 23
Calculation steps:
[( 23 - 958 ) ÷ 958] x 100 = -97.6%
Formula
Percentage change = [(23 - 958) / 958] x 100
Subtract the new number by the original number
23 - 958 = -935
-935 ÷ 958 = -0.975991649269311
-0.975991649269311 x 100 = -97.6%