-91.75% is the change from 957 to 79
Calculation steps:
[( 79 - 957 ) ÷ 957] x 100 = -91.75%
Formula
Percentage change = [(79 - 957) / 957] x 100
Subtract the new number by the original number
79 - 957 = -878
-878 ÷ 957 = -0.9174503657262278
-0.9174503657262278 x 100 = -91.75%