-82.46% is the change from 975 to 171
Calculation steps:
[( 171 - 975 ) ÷ 975] x 100 = -82.46%
Formula
Percentage change = [(171 - 975) / 975] x 100
Subtract the new number by the original number
171 - 975 = -804
-804 ÷ 975 = -0.8246153846153846
-0.8246153846153846 x 100 = -82.46%