-82.97% is the change from 975 to 166
Calculation steps:
[( 166 - 975 ) ÷ 975] x 100 = -82.97%
Formula
Percentage change = [(166 - 975) / 975] x 100
Subtract the new number by the original number
166 - 975 = -809
-809 ÷ 975 = -0.8297435897435897
-0.8297435897435897 x 100 = -82.97%
Example