6187.5% is the change from 8 to 503
Calculation steps:
[( 503 - 8 ) ÷ 8] x 100 = 6187.5%
Formula
Percentage change = [(503 - 8) / 8] x 100
Subtract the new number by the original number
503 - 8 = 495
495 ÷ 8 = 61.875
61.875 x 100 = 6187.5%
Example