48.77% is the change from 611 to 909
Calculation steps:
[( 909 - 611 ) ÷ 611] x 100 = 48.77%
Formula
Percentage change = [(909 - 611) / 611] x 100
Subtract the new number by the original number
909 - 611 = 298
298 ÷ 611 = 0.4877250409165303
0.4877250409165303 x 100 = 48.77%