-24.25% is the change from 837 to 634
Calculation steps:
[( 634 - 837 ) ÷ 837] x 100 = -24.25%
Formula
Percentage change = [(634 - 837) / 837] x 100
Subtract the new number by the original number
634 - 837 = -203
-203 ÷ 837 = -0.24253285543608125
-0.24253285543608125 x 100 = -24.25%