808.93% is the change from 56 to 509
Calculation steps:
[( 509 - 56 ) ÷ 56] x 100 = 808.93%
Formula
Percentage change = [(509 - 56) / 56] x 100
Subtract the new number by the original number
509 - 56 = 453
453 ÷ 56 = 8.089285714285714
8.089285714285714 x 100 = 808.93%