-80.04% is the change from 957 to 191
Calculation steps:
[( 191 - 957 ) ÷ 957] x 100 = -80.04%
Formula
Percentage change = [(191 - 957) / 957] x 100
Subtract the new number by the original number
191 - 957 = -766
-766 ÷ 957 = -0.800417972831766
-0.800417972831766 x 100 = -80.04%