-35.13% is the change from 837 to 543
Calculation steps:
[( 543 - 837 ) ÷ 837] x 100 = -35.13%
Formula
Percentage change = [(543 - 837) / 837] x 100
Subtract the new number by the original number
543 - 837 = -294
-294 ÷ 837 = -0.35125448028673834
-0.35125448028673834 x 100 = -35.13%