0.91% is the change from 220 to 222
Calculation steps:
[( 222 - 220 ) ÷ 220] x 100 = 0.91%
Formula
Percentage change = [(222 - 220) / 220] x 100
Subtract the new number by the original number
222 - 220 = 2
2 ÷ 220 = 0.00909090909090909
0.00909090909090909 x 100 = 0.91%