-81.92% is the change from 957 to 173
Calculation steps:
[( 173 - 957 ) ÷ 957] x 100 = -81.92%
Formula
Percentage change = [(173 - 957) / 957] x 100
Subtract the new number by the original number
173 - 957 = -784
-784 ÷ 957 = -0.819226750261233
-0.819226750261233 x 100 = -81.92%