-91.1% is the change from 798 to 71
Calculation steps:
[( 71 - 798 ) ÷ 798] x 100 = -91.1%
Formula
Percentage change = [(71 - 798) / 798] x 100
Subtract the new number by the original number
71 - 798 = -727
-727 ÷ 798 = -0.9110275689223057
-0.9110275689223057 x 100 = -91.1%