301.41% is the change from 71 to 285
Calculation steps:
[( 285 - 71 ) ÷ 71] x 100 = 301.41%
Formula
Percentage change = [(285 - 71) / 71] x 100
Subtract the new number by the original number
285 - 71 = 214
214 ÷ 71 = 3.0140845070422535
3.0140845070422535 x 100 = 301.41%