63.7% is the change from 449 to 735
Calculation steps:
[( 735 - 449 ) ÷ 449] x 100 = 63.7%
Formula
Percentage change = [(735 - 449) / 449] x 100
Subtract the new number by the original number
735 - 449 = 286
286 ÷ 449 = 0.6369710467706013
0.6369710467706013 x 100 = 63.7%