-82.36% is the change from 975 to 172
Calculation steps:
[( 172 - 975 ) ÷ 975] x 100 = -82.36%
Formula
Percentage change = [(172 - 975) / 975] x 100
Subtract the new number by the original number
172 - 975 = -803
-803 ÷ 975 = -0.8235897435897436
-0.8235897435897436 x 100 = -82.36%