-81.82% is the change from 847 to 154
Calculation steps:
[( 154 - 847 ) ÷ 847] x 100 = -81.82%
Formula
Percentage change = [(154 - 847) / 847] x 100
Subtract the new number by the original number
154 - 847 = -693
-693 ÷ 847 = -0.8181818181818182
-0.8181818181818182 x 100 = -81.82%