-78.45% is the change from 798 to 172
Calculation steps:
[( 172 - 798 ) ÷ 798] x 100 = -78.45%
Formula
Percentage change = [(172 - 798) / 798] x 100
Subtract the new number by the original number
172 - 798 = -626
-626 ÷ 798 = -0.7844611528822055
-0.7844611528822055 x 100 = -78.45%