-89.58% is the change from 192 to 20
Calculation steps:
[( 20 - 192 ) ÷ 192] x 100 = -89.58%
Formula
Percentage change = [(20 - 192) / 192] x 100
Subtract the new number by the original number
20 - 192 = -172
-172 ÷ 192 = -0.8958333333333334
-0.8958333333333334 x 100 = -89.58%