1.36% is the change from 221 to 224
Calculation steps:
[( 224 - 221 ) ÷ 221] x 100 = 1.36%
Formula
Percentage change = [(224 - 221) / 221] x 100
Subtract the new number by the original number
224 - 221 = 3
3 ÷ 221 = 0.013574660633484163
0.013574660633484163 x 100 = 1.36%