-2.7% is the change from 222 to 216
Calculation steps:
[( 216 - 222 ) ÷ 222] x 100 = -2.7%
Formula
Percentage change = [(216 - 222) / 222] x 100
Subtract the new number by the original number
216 - 222 = -6
-6 ÷ 222 = -0.02702702702702703
-0.02702702702702703 x 100 = -2.7%