9960% is the change from 5 to 503
Calculation steps:
[( 503 - 5 ) ÷ 5] x 100 = 9960%
Formula
Percentage change = [(503 - 5) / 5] x 100
Subtract the new number by the original number
503 - 5 = 498
498 ÷ 5 = 99.6
99.6 x 100 = 9960%
Example