69.7% is the change from 264 to 448
Calculation steps:
[( 448 - 264 ) ÷ 264] x 100 = 69.7%
Formula
Percentage change = [(448 - 264) / 264] x 100
Subtract the new number by the original number
448 - 264 = 184
184 ÷ 264 = 0.696969696969697
0.696969696969697 x 100 = 69.7%