46.9% is the change from 612 to 899
Calculation steps:
[( 899 - 612 ) ÷ 612] x 100 = 46.9%
Formula
Percentage change = [(899 - 612) / 612] x 100
Subtract the new number by the original number
899 - 612 = 287
287 ÷ 612 = 0.46895424836601307
0.46895424836601307 x 100 = 46.9%