285.92% is the change from 71 to 274
Calculation steps:
[( 274 - 71 ) ÷ 71] x 100 = 285.92%
Formula
Percentage change = [(274 - 71) / 71] x 100
Subtract the new number by the original number
274 - 71 = 203
203 ÷ 71 = 2.859154929577465
2.859154929577465 x 100 = 285.92%