612.68% is the change from 71 to 506
Calculation steps:
[( 506 - 71 ) ÷ 71] x 100 = 612.68%
Formula
Percentage change = [(506 - 71) / 71] x 100
Subtract the new number by the original number
506 - 71 = 435
435 ÷ 71 = 6.126760563380282
6.126760563380282 x 100 = 612.68%