49.88% is the change from 401 to 601
Calculation steps:
[( 601 - 401 ) ÷ 401] x 100 = 49.88%
Formula
Percentage change = [(601 - 401) / 401] x 100
Subtract the new number by the original number
601 - 401 = 200
200 ÷ 401 = 0.49875311720698257
0.49875311720698257 x 100 = 49.88%