-86.87% is the change from 975 to 128
Calculation steps:
[( 128 - 975 ) ÷ 975] x 100 = -86.87%
Formula
Percentage change = [(128 - 975) / 975] x 100
Subtract the new number by the original number
128 - 975 = -847
-847 ÷ 975 = -0.8687179487179487
-0.8687179487179487 x 100 = -86.87%