-97.7% is the change from 957 to 22
Calculation steps:
[( 22 - 957 ) ÷ 957] x 100 = -97.7%
Formula
Percentage change = [(22 - 957) / 957] x 100
Subtract the new number by the original number
22 - 957 = -935
-935 ÷ 957 = -0.9770114942528736
-0.9770114942528736 x 100 = -97.7%