-0.54% is the change from 551 to 548
Calculation steps:
[( 548 - 551 ) ÷ 551] x 100 = -0.54%
Formula
Percentage change = [(548 - 551) / 551] x 100
Subtract the new number by the original number
548 - 551 = -3
-3 ÷ 551 = -0.0054446460980036296
-0.0054446460980036296 x 100 = -0.54%