-59.9% is the change from 798 to 320
Calculation steps:
[( 320 - 798 ) ÷ 798] x 100 = -59.9%
Formula
Percentage change = [(320 - 798) / 798] x 100
Subtract the new number by the original number
320 - 798 = -478
-478 ÷ 798 = -0.5989974937343359
-0.5989974937343359 x 100 = -59.9%