-77.1% is the change from 891 to 204
Calculation steps:
[( 204 - 891 ) ÷ 891] x 100 = -77.1%
Formula
Percentage change = [(204 - 891) / 891] x 100
Subtract the new number by the original number
204 - 891 = -687
-687 ÷ 891 = -0.7710437710437711
-0.7710437710437711 x 100 = -77.1%