-13.45% is the change from 550 to 476
Calculation steps:
[( 476 - 550 ) ÷ 550] x 100 = -13.45%
Formula
Percentage change = [(476 - 550) / 550] x 100
Subtract the new number by the original number
476 - 550 = -74
-74 ÷ 550 = -0.13454545454545455
-0.13454545454545455 x 100 = -13.45%