237.88% is the change from 66 to 223
Calculation steps:
[( 223 - 66 ) ÷ 66] x 100 = 237.88%
Formula
Percentage change = [(223 - 66) / 66] x 100
Subtract the new number by the original number
223 - 66 = 157
157 ÷ 66 = 2.378787878787879
2.378787878787879 x 100 = 237.88%