-24.01% is the change from 837 to 636
Calculation steps:
[( 636 - 837 ) ÷ 837] x 100 = -24.01%
Formula
Percentage change = [(636 - 837) / 837] x 100
Subtract the new number by the original number
636 - 837 = -201
-201 ÷ 837 = -0.24014336917562723
-0.24014336917562723 x 100 = -24.01%