302% is the change from 50 to 201
Calculation steps:
[( 201 - 50 ) ÷ 50] x 100 = 302%
Formula
Percentage change = [(201 - 50) / 50] x 100
Subtract the new number by the original number
201 - 50 = 151
151 ÷ 50 = 3.02
3.02 x 100 = 302%
Example