-95.88% is the change from 970 to 40
Calculation steps:
[( 40 - 970 ) ÷ 970] x 100 = -95.88%
Formula
Percentage change = [(40 - 970) / 970] x 100
Subtract the new number by the original number
40 - 970 = -930
-930 ÷ 970 = -0.9587628865979382
-0.9587628865979382 x 100 = -95.88%