-31.97% is the change from 807 to 549
Calculation steps:
[( 549 - 807 ) ÷ 807] x 100 = -31.97%
Formula
Percentage change = [(549 - 807) / 807] x 100
Subtract the new number by the original number
549 - 807 = -258
-258 ÷ 807 = -0.31970260223048325
-0.31970260223048325 x 100 = -31.97%