-14.18% is the change from 550 to 472
Calculation steps:
[( 472 - 550 ) ÷ 550] x 100 = -14.18%
Formula
Percentage change = [(472 - 550) / 550] x 100
Subtract the new number by the original number
472 - 550 = -78
-78 ÷ 550 = -0.14181818181818182
-0.14181818181818182 x 100 = -14.18%