-79% is the change from 838 to 176
Calculation steps:
[( 176 - 838 ) ÷ 838] x 100 = -79%
Formula
Percentage change = [(176 - 838) / 838] x 100
Subtract the new number by the original number
176 - 838 = -662
-662 ÷ 838 = -0.7899761336515513
-0.7899761336515513 x 100 = -79%