49.75% is the change from 601 to 900
Calculation steps:
[( 900 - 601 ) ÷ 601] x 100 = 49.75%
Formula
Percentage change = [(900 - 601) / 601] x 100
Subtract the new number by the original number
900 - 601 = 299
299 ÷ 601 = 0.49750415973377704
0.49750415973377704 x 100 = 49.75%