246.97% is the change from 66 to 229
Calculation steps:
[( 229 - 66 ) ÷ 66] x 100 = 246.97%
Formula
Percentage change = [(229 - 66) / 66] x 100
Subtract the new number by the original number
229 - 66 = 163
163 ÷ 66 = 2.4696969696969697
2.4696969696969697 x 100 = 246.97%