-34.69% is the change from 686 to 448
Calculation steps:
[( 448 - 686 ) ÷ 686] x 100 = -34.69%
Formula
Percentage change = [(448 - 686) / 686] x 100
Subtract the new number by the original number
448 - 686 = -238
-238 ÷ 686 = -0.3469387755102041
-0.3469387755102041 x 100 = -34.69%