-39.18% is the change from 906 to 551
Calculation steps:
[( 551 - 906 ) ÷ 906] x 100 = -39.18%
Formula
Percentage change = [(551 - 906) / 906] x 100
Subtract the new number by the original number
551 - 906 = -355
-355 ÷ 906 = -0.39183222958057395
-0.39183222958057395 x 100 = -39.18%