-38.93% is the change from 899 to 549
Calculation steps:
[( 549 - 899 ) ÷ 899] x 100 = -38.93%
Formula
Percentage change = [(549 - 899) / 899] x 100
Subtract the new number by the original number
549 - 899 = -350
-350 ÷ 899 = -0.389321468298109
-0.389321468298109 x 100 = -38.93%