-33.13% is the change from 670 to 448
Calculation steps:
[( 448 - 670 ) ÷ 670] x 100 = -33.13%
Formula
Percentage change = [(448 - 670) / 670] x 100
Subtract the new number by the original number
448 - 670 = -222
-222 ÷ 670 = -0.33134328358208953
-0.33134328358208953 x 100 = -33.13%