-74.39% is the change from 859 to 220
Calculation steps:
[( 220 - 859 ) ÷ 859] x 100 = -74.39%
Formula
Percentage change = [(220 - 859) / 859] x 100
Subtract the new number by the original number
220 - 859 = -639
-639 ÷ 859 = -0.7438882421420256
-0.7438882421420256 x 100 = -74.39%