-19.35% is the change from 682 to 550
Calculation steps:
[( 550 - 682 ) ÷ 682] x 100 = -19.35%
Formula
Percentage change = [(550 - 682) / 682] x 100
Subtract the new number by the original number
550 - 682 = -132
-132 ÷ 682 = -0.1935483870967742
-0.1935483870967742 x 100 = -19.35%