144.77% is the change from 306 to 749
Calculation steps:
[( 749 - 306 ) ÷ 306] x 100 = 144.77%
Formula
Percentage change = [(749 - 306) / 306] x 100
Subtract the new number by the original number
749 - 306 = 443
443 ÷ 306 = 1.4477124183006536
1.4477124183006536 x 100 = 144.77%