-75.67% is the change from 970 to 236
Calculation steps:
[( 236 - 970 ) ÷ 970] x 100 = -75.67%
Formula
Percentage change = [(236 - 970) / 970] x 100
Subtract the new number by the original number
236 - 970 = -734
-734 ÷ 970 = -0.756701030927835
-0.756701030927835 x 100 = -75.67%