-81.35% is the change from 638 to 119
Calculation steps:
[( 119 - 638 ) ÷ 638] x 100 = -81.35%
Formula
Percentage change = [(119 - 638) / 638] x 100
Subtract the new number by the original number
119 - 638 = -519
-519 ÷ 638 = -0.8134796238244514
-0.8134796238244514 x 100 = -81.35%