-98.64% is the change from 220 to 3
Calculation steps:
[( 3 - 220 ) ÷ 220] x 100 = -98.64%
Formula
Percentage change = [(3 - 220) / 220] x 100
Subtract the new number by the original number
3 - 220 = -217
-217 ÷ 220 = -0.9863636363636363
-0.9863636363636363 x 100 = -98.64%