-78.13% is the change from 910 to 199
Calculation steps:
[( 199 - 910 ) ÷ 910] x 100 = -78.13%
Formula
Percentage change = [(199 - 910) / 910] x 100
Subtract the new number by the original number
199 - 910 = -711
-711 ÷ 910 = -0.7813186813186813
-0.7813186813186813 x 100 = -78.13%