-91.23% is the change from 798 to 70
Calculation steps:
[( 70 - 798 ) ÷ 798] x 100 = -91.23%
Formula
Percentage change = [(70 - 798) / 798] x 100
Subtract the new number by the original number
70 - 798 = -728
-728 ÷ 798 = -0.9122807017543859
-0.9122807017543859 x 100 = -91.23%