-82.76% is the change from 638 to 110
Calculation steps:
[( 110 - 638 ) ÷ 638] x 100 = -82.76%
Formula
Percentage change = [(110 - 638) / 638] x 100
Subtract the new number by the original number
110 - 638 = -528
-528 ÷ 638 = -0.8275862068965517
-0.8275862068965517 x 100 = -82.76%