-78.68% is the change from 849 to 181
Calculation steps:
[( 181 - 849 ) ÷ 849] x 100 = -78.68%
Formula
Percentage change = [(181 - 849) / 849] x 100
Subtract the new number by the original number
181 - 849 = -668
-668 ÷ 849 = -0.7868080094228505
-0.7868080094228505 x 100 = -78.68%