-80.77% is the change from 104 to 20
Calculation steps:
[( 20 - 104 ) ÷ 104] x 100 = -80.77%
Formula
Percentage change = [(20 - 104) / 104] x 100
Subtract the new number by the original number
20 - 104 = -84
-84 ÷ 104 = -0.8076923076923077
-0.8076923076923077 x 100 = -80.77%