-78.2% is the change from 798 to 174
Calculation steps:
[( 174 - 798 ) ÷ 798] x 100 = -78.2%
Formula
Percentage change = [(174 - 798) / 798] x 100
Subtract the new number by the original number
174 - 798 = -624
-624 ÷ 798 = -0.7819548872180451
-0.7819548872180451 x 100 = -78.2%