-43.43% is the change from 548 to 310
Calculation steps:
[( 310 - 548 ) ÷ 548] x 100 = -43.43%
Formula
Percentage change = [(310 - 548) / 548] x 100
Subtract the new number by the original number
310 - 548 = -238
-238 ÷ 548 = -0.4343065693430657
-0.4343065693430657 x 100 = -43.43%