-72.47% is the change from 799 to 220
Calculation steps:
[( 220 - 799 ) ÷ 799] x 100 = -72.47%
Formula
Percentage change = [(220 - 799) / 799] x 100
Subtract the new number by the original number
220 - 799 = -579
-579 ÷ 799 = -0.7246558197747184
-0.7246558197747184 x 100 = -72.47%