274.32% is the change from 74 to 277
Calculation steps:
[( 277 - 74 ) ÷ 74] x 100 = 274.32%
Formula
Percentage change = [(277 - 74) / 74] x 100
Subtract the new number by the original number
277 - 74 = 203
203 ÷ 74 = 2.7432432432432434
2.7432432432432434 x 100 = 274.32%