49.92% is the change from 609 to 913
Calculation steps:
[( 913 - 609 ) ÷ 609] x 100 = 49.92%
Formula
Percentage change = [(913 - 609) / 609] x 100
Subtract the new number by the original number
913 - 609 = 304
304 ÷ 609 = 0.49917898193760263
0.49917898193760263 x 100 = 49.92%