50000% is the change from 1 to 501
Calculation steps:
[( 501 - 1 ) ÷ 1] x 100 = 50000%
Formula
Percentage change = [(501 - 1) / 1] x 100
Subtract the new number by the original number
501 - 1 = 500
500 ÷ 1 = 500
500 x 100 = 50000%
Example