646.48% is the change from 71 to 530
Calculation steps:
[( 530 - 71 ) ÷ 71] x 100 = 646.48%
Formula
Percentage change = [(530 - 71) / 71] x 100
Subtract the new number by the original number
530 - 71 = 459
459 ÷ 71 = 6.464788732394366
6.464788732394366 x 100 = 646.48%