-80.07% is the change from 838 to 167
Calculation steps:
[( 167 - 838 ) ÷ 838] x 100 = -80.07%
Formula
Percentage change = [(167 - 838) / 838] x 100
Subtract the new number by the original number
167 - 838 = -671
-671 ÷ 838 = -0.8007159904534606
-0.8007159904534606 x 100 = -80.07%