-22.4% is the change from 826 to 641
Calculation steps:
[( 641 - 826 ) ÷ 826] x 100 = -22.4%
Formula
Percentage change = [(641 - 826) / 826] x 100
Subtract the new number by the original number
641 - 826 = -185
-185 ÷ 826 = -0.22397094430992737
-0.22397094430992737 x 100 = -22.4%