70.38% is the change from 449 to 765
Calculation steps:
[( 765 - 449 ) ÷ 449] x 100 = 70.38%
Formula
Percentage change = [(765 - 449) / 449] x 100
Subtract the new number by the original number
765 - 449 = 316
316 ÷ 449 = 0.7037861915367484
0.7037861915367484 x 100 = 70.38%