308.96% is the change from 67 to 274
Calculation steps:
[( 274 - 67 ) ÷ 67] x 100 = 308.96%
Formula
Percentage change = [(274 - 67) / 67] x 100
Subtract the new number by the original number
274 - 67 = 207
207 ÷ 67 = 3.08955223880597
3.08955223880597 x 100 = 308.96%