-79.45% is the change from 832 to 171
Calculation steps:
[( 171 - 832 ) ÷ 832] x 100 = -79.45%
Formula
Percentage change = [(171 - 832) / 832] x 100
Subtract the new number by the original number
171 - 832 = -661
-661 ÷ 832 = -0.7944711538461539
-0.7944711538461539 x 100 = -79.45%