-27.34% is the change from 757 to 550
Calculation steps:
[( 550 - 757 ) ÷ 757] x 100 = -27.34%
Formula
Percentage change = [(550 - 757) / 757] x 100
Subtract the new number by the original number
550 - 757 = -207
-207 ÷ 757 = -0.27344782034346105
-0.27344782034346105 x 100 = -27.34%