-76.31% is the change from 975 to 231
Calculation steps:
[( 231 - 975 ) ÷ 975] x 100 = -76.31%
Formula
Percentage change = [(231 - 975) / 975] x 100
Subtract the new number by the original number
231 - 975 = -744
-744 ÷ 975 = -0.7630769230769231
-0.7630769230769231 x 100 = -76.31%