-76% is the change from 971 to 233
Calculation steps:
[( 233 - 971 ) ÷ 971] x 100 = -76%
Formula
Percentage change = [(233 - 971) / 971] x 100
Subtract the new number by the original number
233 - 971 = -738
-738 ÷ 971 = -0.7600411946446962
-0.7600411946446962 x 100 = -76%