-75.7% is the change from 971 to 236
Calculation steps:
[( 236 - 971 ) ÷ 971] x 100 = -75.7%
Formula
Percentage change = [(236 - 971) / 971] x 100
Subtract the new number by the original number
236 - 971 = -735
-735 ÷ 971 = -0.756951596292482
-0.756951596292482 x 100 = -75.7%