35.94% is the change from 448 to 609
Calculation steps:
[( 609 - 448 ) ÷ 448] x 100 = 35.94%
Formula
Percentage change = [(609 - 448) / 448] x 100
Subtract the new number by the original number
609 - 448 = 161
161 ÷ 448 = 0.359375
0.359375 x 100 = 35.94%