305.45% is the change from 55 to 223
Calculation steps:
[( 223 - 55 ) ÷ 55] x 100 = 305.45%
Formula
Percentage change = [(223 - 55) / 55] x 100
Subtract the new number by the original number
223 - 55 = 168
168 ÷ 55 = 3.0545454545454547
3.0545454545454547 x 100 = 305.45%