-89.79% is the change from 950 to 97
Calculation steps:
[( 97 - 950 ) ÷ 950] x 100 = -89.79%
Formula
Percentage change = [(97 - 950) / 950] x 100
Subtract the new number by the original number
97 - 950 = -853
-853 ÷ 950 = -0.8978947368421053
-0.8978947368421053 x 100 = -89.79%