-17.04% is the change from 798 to 662
Calculation steps:
[( 662 - 798 ) ÷ 798] x 100 = -17.04%
Formula
Percentage change = [(662 - 798) / 798] x 100
Subtract the new number by the original number
662 - 798 = -136
-136 ÷ 798 = -0.17042606516290726
-0.17042606516290726 x 100 = -17.04%