-9.52% is the change from 609 to 551
Calculation steps:
[( 551 - 609 ) ÷ 609] x 100 = -9.52%
Formula
Percentage change = [(551 - 609) / 609] x 100
Subtract the new number by the original number
551 - 609 = -58
-58 ÷ 609 = -0.09523809523809523
-0.09523809523809523 x 100 = -9.52%