-96.97% is the change from 957 to 29
Calculation steps:
[( 29 - 957 ) ÷ 957] x 100 = -96.97%
Formula
Percentage change = [(29 - 957) / 957] x 100
Subtract the new number by the original number
29 - 957 = -928
-928 ÷ 957 = -0.9696969696969697
-0.9696969696969697 x 100 = -96.97%