-23.97% is the change from 826 to 628
Calculation steps:
[( 628 - 826 ) ÷ 826] x 100 = -23.97%
Formula
Percentage change = [(628 - 826) / 826] x 100
Subtract the new number by the original number
628 - 826 = -198
-198 ÷ 826 = -0.2397094430992736
-0.2397094430992736 x 100 = -23.97%