-24.88% is the change from 836 to 628
Calculation steps:
[( 628 - 836 ) ÷ 836] x 100 = -24.88%
Formula
Percentage change = [(628 - 836) / 836] x 100
Subtract the new number by the original number
628 - 836 = -208
-208 ÷ 836 = -0.24880382775119617
-0.24880382775119617 x 100 = -24.88%