146.64% is the change from 223 to 550
Calculation steps:
[( 550 - 223 ) ÷ 223] x 100 = 146.64%
Formula
Percentage change = [(550 - 223) / 223] x 100
Subtract the new number by the original number
550 - 223 = 327
327 ÷ 223 = 1.4663677130044843
1.4663677130044843 x 100 = 146.64%