-78.4% is the change from 838 to 181
Calculation steps:
[( 181 - 838 ) ÷ 838] x 100 = -78.4%
Formula
Percentage change = [(181 - 838) / 838] x 100
Subtract the new number by the original number
181 - 838 = -657
-657 ÷ 838 = -0.7840095465393795
-0.7840095465393795 x 100 = -78.4%