-25.57% is the change from 837 to 623
Calculation steps:
[( 623 - 837 ) ÷ 837] x 100 = -25.57%
Formula
Percentage change = [(623 - 837) / 837] x 100
Subtract the new number by the original number
623 - 837 = -214
-214 ÷ 837 = -0.25567502986857826
-0.25567502986857826 x 100 = -25.57%