-90.38% is the change from 832 to 80
Calculation steps:
[( 80 - 832 ) ÷ 832] x 100 = -90.38%
Formula
Percentage change = [(80 - 832) / 832] x 100
Subtract the new number by the original number
80 - 832 = -752
-752 ÷ 832 = -0.9038461538461539
-0.9038461538461539 x 100 = -90.38%