5000% is the change from 1 to 51
Calculation steps:
[( 51 - 1 ) ÷ 1] x 100 = 5000%
Formula
Percentage change = [(51 - 1) / 1] x 100
Subtract the new number by the original number
51 - 1 = 50
50 ÷ 1 = 50
50 x 100 = 5000%
Example