265.15% is the change from 66 to 241
Calculation steps:
[( 241 - 66 ) ÷ 66] x 100 = 265.15%
Formula
Percentage change = [(241 - 66) / 66] x 100
Subtract the new number by the original number
241 - 66 = 175
175 ÷ 66 = 2.6515151515151514
2.6515151515151514 x 100 = 265.15%