-83.08% is the change from 798 to 135
Calculation steps:
[( 135 - 798 ) ÷ 798] x 100 = -83.08%
Formula
Percentage change = [(135 - 798) / 798] x 100
Subtract the new number by the original number
135 - 798 = -663
-663 ÷ 798 = -0.8308270676691729
-0.8308270676691729 x 100 = -83.08%