20000% is the change from 1 to 201
Calculation steps:
[( 201 - 1 ) ÷ 1] x 100 = 20000%
Formula
Percentage change = [(201 - 1) / 1] x 100
Subtract the new number by the original number
201 - 1 = 200
200 ÷ 1 = 200
200 x 100 = 20000%
Example