-97.27% is the change from 220 to 6
Calculation steps:
[( 6 - 220 ) ÷ 220] x 100 = -97.27%
Formula
Percentage change = [(6 - 220) / 220] x 100
Subtract the new number by the original number
6 - 220 = -214
-214 ÷ 220 = -0.9727272727272728
-0.9727272727272728 x 100 = -97.27%