-31.64% is the change from 806 to 551
Calculation steps:
[( 551 - 806 ) ÷ 806] x 100 = -31.64%
Formula
Percentage change = [(551 - 806) / 806] x 100
Subtract the new number by the original number
551 - 806 = -255
-255 ÷ 806 = -0.3163771712158809
-0.3163771712158809 x 100 = -31.64%