-97.6% is the change from 832 to 20
Calculation steps:
[( 20 - 832 ) ÷ 832] x 100 = -97.6%
Formula
Percentage change = [(20 - 832) / 832] x 100
Subtract the new number by the original number
20 - 832 = -812
-812 ÷ 832 = -0.9759615384615384
-0.9759615384615384 x 100 = -97.6%