-24.29% is the change from 634 to 480
Calculation steps:
[( 480 - 634 ) ÷ 634] x 100 = -24.29%
Formula
Percentage change = [(480 - 634) / 634] x 100
Subtract the new number by the original number
480 - 634 = -154
-154 ÷ 634 = -0.24290220820189273
-0.24290220820189273 x 100 = -24.29%