199% is the change from 201 to 601
Calculation steps:
[( 601 - 201 ) ÷ 201] x 100 = 199%
Formula
Percentage change = [(601 - 201) / 201] x 100
Subtract the new number by the original number
601 - 201 = 400
400 ÷ 201 = 1.9900497512437811
1.9900497512437811 x 100 = 199%