-19.15% is the change from 679 to 549
Calculation steps:
[( 549 - 679 ) ÷ 679] x 100 = -19.15%
Formula
Percentage change = [(549 - 679) / 679] x 100
Subtract the new number by the original number
549 - 679 = -130
-130 ÷ 679 = -0.19145802650957292
-0.19145802650957292 x 100 = -19.15%