-98.21% is the change from 223 to 4
Calculation steps:
[( 4 - 223 ) ÷ 223] x 100 = -98.21%
Formula
Percentage change = [(4 - 223) / 223] x 100
Subtract the new number by the original number
4 - 223 = -219
-219 ÷ 223 = -0.9820627802690582
-0.9820627802690582 x 100 = -98.21%