-17.24% is the change from 551 to 456
Calculation steps:
[( 456 - 551 ) ÷ 551] x 100 = -17.24%
Formula
Percentage change = [(456 - 551) / 551] x 100
Subtract the new number by the original number
456 - 551 = -95
-95 ÷ 551 = -0.1724137931034483
-0.1724137931034483 x 100 = -17.24%