-32.71% is the change from 807 to 543
Calculation steps:
[( 543 - 807 ) ÷ 807] x 100 = -32.71%
Formula
Percentage change = [(543 - 807) / 807] x 100
Subtract the new number by the original number
543 - 807 = -264
-264 ÷ 807 = -0.3271375464684015
-0.3271375464684015 x 100 = -32.71%