-81.98% is the change from 849 to 153
Calculation steps:
[( 153 - 849 ) ÷ 849] x 100 = -81.98%
Formula
Percentage change = [(153 - 849) / 849] x 100
Subtract the new number by the original number
153 - 849 = -696
-696 ÷ 849 = -0.8197879858657244
-0.8197879858657244 x 100 = -81.98%