47.5% is the change from 440 to 649
Calculation steps:
[( 649 - 440 ) ÷ 440] x 100 = 47.5%
Formula
Percentage change = [(649 - 440) / 440] x 100
Subtract the new number by the original number
649 - 440 = 209
209 ÷ 440 = 0.475
0.475 x 100 = 47.5%
Example