298.59% is the change from 71 to 283
Calculation steps:
[( 283 - 71 ) ÷ 71] x 100 = 298.59%
Formula
Percentage change = [(283 - 71) / 71] x 100
Subtract the new number by the original number
283 - 71 = 212
212 ÷ 71 = 2.9859154929577465
2.9859154929577465 x 100 = 298.59%