55.9% is the change from 449 to 700
Calculation steps:
[( 700 - 449 ) ÷ 449] x 100 = 55.9%
Formula
Percentage change = [(700 - 449) / 449] x 100
Subtract the new number by the original number
700 - 449 = 251
251 ÷ 449 = 0.5590200445434298
0.5590200445434298 x 100 = 55.9%