-76.45% is the change from 981 to 231
Calculation steps:
[( 231 - 981 ) ÷ 981] x 100 = -76.45%
Formula
Percentage change = [(231 - 981) / 981] x 100
Subtract the new number by the original number
231 - 981 = -750
-750 ÷ 981 = -0.764525993883792
-0.764525993883792 x 100 = -76.45%