49.5% is the change from 606 to 906
Calculation steps:
[( 906 - 606 ) ÷ 606] x 100 = 49.5%
Formula
Percentage change = [(906 - 606) / 606] x 100
Subtract the new number by the original number
906 - 606 = 300
300 ÷ 606 = 0.49504950495049505
0.49504950495049505 x 100 = 49.5%