-79.95% is the change from 838 to 168
Calculation steps:
[( 168 - 838 ) ÷ 838] x 100 = -79.95%
Formula
Percentage change = [(168 - 838) / 838] x 100
Subtract the new number by the original number
168 - 838 = -670
-670 ÷ 838 = -0.7995226730310262
-0.7995226730310262 x 100 = -79.95%