52.5% is the change from 440 to 671
Calculation steps:
[( 671 - 440 ) ÷ 440] x 100 = 52.5%
Formula
Percentage change = [(671 - 440) / 440] x 100
Subtract the new number by the original number
671 - 440 = 231
231 ÷ 440 = 0.525
0.525 x 100 = 52.5%
Example