-83.7% is the change from 957 to 156
Calculation steps:
[( 156 - 957 ) ÷ 957] x 100 = -83.7%
Formula
Percentage change = [(156 - 957) / 957] x 100
Subtract the new number by the original number
156 - 957 = -801
-801 ÷ 957 = -0.8369905956112853
-0.8369905956112853 x 100 = -83.7%