-86.15% is the change from 975 to 135
Calculation steps:
[( 135 - 975 ) ÷ 975] x 100 = -86.15%
Formula
Percentage change = [(135 - 975) / 975] x 100
Subtract the new number by the original number
135 - 975 = -840
-840 ÷ 975 = -0.8615384615384616
-0.8615384615384616 x 100 = -86.15%