50500% is the change from 1 to 506
Calculation steps:
[( 506 - 1 ) ÷ 1] x 100 = 50500%
Formula
Percentage change = [(506 - 1) / 1] x 100
Subtract the new number by the original number
506 - 1 = 505
505 ÷ 1 = 505
505 x 100 = 50500%
Example