-72.43% is the change from 798 to 220
Calculation steps:
[( 220 - 798 ) ÷ 798] x 100 = -72.43%
Formula
Percentage change = [(220 - 798) / 798] x 100
Subtract the new number by the original number
220 - 798 = -578
-578 ÷ 798 = -0.7243107769423559
-0.7243107769423559 x 100 = -72.43%