270.27% is the change from 74 to 274
Calculation steps:
[( 274 - 74 ) ÷ 74] x 100 = 270.27%
Formula
Percentage change = [(274 - 74) / 74] x 100
Subtract the new number by the original number
274 - 74 = 200
200 ÷ 74 = 2.7027027027027026
2.7027027027027026 x 100 = 270.27%