-91.9% is the change from 975 to 79
Calculation steps:
[( 79 - 975 ) ÷ 975] x 100 = -91.9%
Formula
Percentage change = [(79 - 975) / 975] x 100
Subtract the new number by the original number
79 - 975 = -896
-896 ÷ 975 = -0.918974358974359
-0.918974358974359 x 100 = -91.9%