9950% is the change from 2 to 201
Calculation steps:
[( 201 - 2 ) ÷ 2] x 100 = 9950%
Formula
Percentage change = [(201 - 2) / 2] x 100
Subtract the new number by the original number
201 - 2 = 199
199 ÷ 2 = 99.5
99.5 x 100 = 9950%
Example