-25.6% is the change from 836 to 622
Calculation steps:
[( 622 - 836 ) ÷ 836] x 100 = -25.6%
Formula
Percentage change = [(622 - 836) / 836] x 100
Subtract the new number by the original number
622 - 836 = -214
-214 ÷ 836 = -0.25598086124401914
-0.25598086124401914 x 100 = -25.6%