0.45% is the change from 221 to 222
Calculation steps:
[( 222 - 221 ) ÷ 221] x 100 = 0.45%
Formula
Percentage change = [(222 - 221) / 221] x 100
Subtract the new number by the original number
222 - 221 = 1
1 ÷ 221 = 0.004524886877828055
0.004524886877828055 x 100 = 0.45%