849.06% is the change from 53 to 503
Calculation steps:
[( 503 - 53 ) ÷ 53] x 100 = 849.06%
Formula
Percentage change = [(503 - 53) / 53] x 100
Subtract the new number by the original number
503 - 53 = 450
450 ÷ 53 = 8.49056603773585
8.49056603773585 x 100 = 849.06%