-30.03% is the change from 786 to 550
Calculation steps:
[( 550 - 786 ) ÷ 786] x 100 = -30.03%
Formula
Percentage change = [(550 - 786) / 786] x 100
Subtract the new number by the original number
550 - 786 = -236
-236 ÷ 786 = -0.30025445292620867
-0.30025445292620867 x 100 = -30.03%