-29% is the change from 631 to 448
Calculation steps:
[( 448 - 631 ) ÷ 631] x 100 = -29%
Formula
Percentage change = [(448 - 631) / 631] x 100
Subtract the new number by the original number
448 - 631 = -183
-183 ÷ 631 = -0.2900158478605388
-0.2900158478605388 x 100 = -29%