-85.74% is the change from 975 to 139
Calculation steps:
[( 139 - 975 ) ÷ 975] x 100 = -85.74%
Formula
Percentage change = [(139 - 975) / 975] x 100
Subtract the new number by the original number
139 - 975 = -836
-836 ÷ 975 = -0.8574358974358974
-0.8574358974358974 x 100 = -85.74%