-77.8% is the change from 838 to 186
Calculation steps:
[( 186 - 838 ) ÷ 838] x 100 = -77.8%
Formula
Percentage change = [(186 - 838) / 838] x 100
Subtract the new number by the original number
186 - 838 = -652
-652 ÷ 838 = -0.7780429594272077
-0.7780429594272077 x 100 = -77.8%