-21.31% is the change from 826 to 650
Calculation steps:
[( 650 - 826 ) ÷ 826] x 100 = -21.31%
Formula
Percentage change = [(650 - 826) / 826] x 100
Subtract the new number by the original number
650 - 826 = -176
-176 ÷ 826 = -0.21307506053268765
-0.21307506053268765 x 100 = -21.31%