307.04% is the change from 71 to 289
Calculation steps:
[( 289 - 71 ) ÷ 71] x 100 = 307.04%
Formula
Percentage change = [(289 - 71) / 71] x 100
Subtract the new number by the original number
289 - 71 = 218
218 ÷ 71 = 3.0704225352112675
3.0704225352112675 x 100 = 307.04%