-78.76% is the change from 838 to 178
Calculation steps:
[( 178 - 838 ) ÷ 838] x 100 = -78.76%
Formula
Percentage change = [(178 - 838) / 838] x 100
Subtract the new number by the original number
178 - 838 = -660
-660 ÷ 838 = -0.7875894988066826
-0.7875894988066826 x 100 = -78.76%