200.5% is the change from 200 to 601
Calculation steps:
[( 601 - 200 ) ÷ 200] x 100 = 200.5%
Formula
Percentage change = [(601 - 200) / 200] x 100
Subtract the new number by the original number
601 - 200 = 401
401 ÷ 200 = 2.005
2.005 x 100 = 200.5%
Example