68.97% is the change from 448 to 757
Calculation steps:
[( 757 - 448 ) ÷ 448] x 100 = 68.97%
Formula
Percentage change = [(757 - 448) / 448] x 100
Subtract the new number by the original number
757 - 448 = 309
309 ÷ 448 = 0.6897321428571429
0.6897321428571429 x 100 = 68.97%