-33% is the change from 806 to 540
Calculation steps:
[( 540 - 806 ) ÷ 806] x 100 = -33%
Formula
Percentage change = [(540 - 806) / 806] x 100
Subtract the new number by the original number
540 - 806 = -266
-266 ÷ 806 = -0.33002481389578164
-0.33002481389578164 x 100 = -33%