241.03% is the change from 78 to 266
Calculation steps:
[( 266 - 78 ) ÷ 78] x 100 = 241.03%
Formula
Percentage change = [(266 - 78) / 78] x 100
Subtract the new number by the original number
266 - 78 = 188
188 ÷ 78 = 2.41025641025641
2.41025641025641 x 100 = 241.03%