49.5% is the change from 602 to 900
Calculation steps:
[( 900 - 602 ) ÷ 602] x 100 = 49.5%
Formula
Percentage change = [(900 - 602) / 602] x 100
Subtract the new number by the original number
900 - 602 = 298
298 ÷ 602 = 0.4950166112956811
0.4950166112956811 x 100 = 49.5%