-35.05% is the change from 836 to 543
Calculation steps:
[( 543 - 836 ) ÷ 836] x 100 = -35.05%
Formula
Percentage change = [(543 - 836) / 836] x 100
Subtract the new number by the original number
543 - 836 = -293
-293 ÷ 836 = -0.35047846889952156
-0.35047846889952156 x 100 = -35.05%