-68.56% is the change from 633 to 199
Calculation steps:
[( 199 - 633 ) ÷ 633] x 100 = -68.56%
Formula
Percentage change = [(199 - 633) / 633] x 100
Subtract the new number by the original number
199 - 633 = -434
-434 ÷ 633 = -0.6856240126382307
-0.6856240126382307 x 100 = -68.56%