-91.85% is the change from 957 to 78
Calculation steps:
[( 78 - 957 ) ÷ 957] x 100 = -91.85%
Formula
Percentage change = [(78 - 957) / 957] x 100
Subtract the new number by the original number
78 - 957 = -879
-879 ÷ 957 = -0.9184952978056427
-0.9184952978056427 x 100 = -91.85%