69.93% is the change from 449 to 763
Calculation steps:
[( 763 - 449 ) ÷ 449] x 100 = 69.93%
Formula
Percentage change = [(763 - 449) / 449] x 100
Subtract the new number by the original number
763 - 449 = 314
314 ÷ 449 = 0.6993318485523385
0.6993318485523385 x 100 = 69.93%