347.89% is the change from 71 to 318
Calculation steps:
[( 318 - 71 ) ÷ 71] x 100 = 347.89%
Formula
Percentage change = [(318 - 71) / 71] x 100
Subtract the new number by the original number
318 - 71 = 247
247 ÷ 71 = 3.4788732394366195
3.4788732394366195 x 100 = 347.89%