-93.31% is the change from 957 to 64
Calculation steps:
[( 64 - 957 ) ÷ 957] x 100 = -93.31%
Formula
Percentage change = [(64 - 957) / 957] x 100
Subtract the new number by the original number
64 - 957 = -893
-893 ÷ 957 = -0.9331243469174504
-0.9331243469174504 x 100 = -93.31%