-7.72% is the change from 596 to 550
Calculation steps:
[( 550 - 596 ) ÷ 596] x 100 = -7.72%
Formula
Percentage change = [(550 - 596) / 596] x 100
Subtract the new number by the original number
550 - 596 = -46
-46 ÷ 596 = -0.07718120805369127
-0.07718120805369127 x 100 = -7.72%