-97.21% is the change from 718 to 20
Calculation steps:
[( 20 - 718 ) ÷ 718] x 100 = -97.21%
Formula
Percentage change = [(20 - 718) / 718] x 100
Subtract the new number by the original number
20 - 718 = -698
-698 ÷ 718 = -0.9721448467966574
-0.9721448467966574 x 100 = -97.21%