-98.64% is the change from 221 to 3
Calculation steps:
[( 3 - 221 ) ÷ 221] x 100 = -98.64%
Formula
Percentage change = [(3 - 221) / 221] x 100
Subtract the new number by the original number
3 - 221 = -218
-218 ÷ 221 = -0.9864253393665159
-0.9864253393665159 x 100 = -98.64%