-82.56% is the change from 975 to 170
Calculation steps:
[( 170 - 975 ) ÷ 975] x 100 = -82.56%
Formula
Percentage change = [(170 - 975) / 975] x 100
Subtract the new number by the original number
170 - 975 = -805
-805 ÷ 975 = -0.8256410256410256
-0.8256410256410256 x 100 = -82.56%