860.38% is the change from 53 to 509
Calculation steps:
[( 509 - 53 ) ÷ 53] x 100 = 860.38%
Formula
Percentage change = [(509 - 53) / 53] x 100
Subtract the new number by the original number
509 - 53 = 456
456 ÷ 53 = 8.60377358490566
8.60377358490566 x 100 = 860.38%