-19.52% is the change from 958 to 771
Calculation steps:
[( 771 - 958 ) ÷ 958] x 100 = -19.52%
Formula
Percentage change = [(771 - 958) / 958] x 100
Subtract the new number by the original number
771 - 958 = -187
-187 ÷ 958 = -0.1951983298538622
-0.1951983298538622 x 100 = -19.52%