-31.76% is the change from 806 to 550
Calculation steps:
[( 550 - 806 ) ÷ 806] x 100 = -31.76%
Formula
Percentage change = [(550 - 806) / 806] x 100
Subtract the new number by the original number
550 - 806 = -256
-256 ÷ 806 = -0.3176178660049628
-0.3176178660049628 x 100 = -31.76%