-49.36% is the change from 551 to 279
Calculation steps:
[( 279 - 551 ) ÷ 551] x 100 = -49.36%
Formula
Percentage change = [(279 - 551) / 551] x 100
Subtract the new number by the original number
279 - 551 = -272
-272 ÷ 551 = -0.49364791288566245
-0.49364791288566245 x 100 = -49.36%