-19.34% is the change from 548 to 442
Calculation steps:
[( 442 - 548 ) ÷ 548] x 100 = -19.34%
Formula
Percentage change = [(442 - 548) / 548] x 100
Subtract the new number by the original number
442 - 548 = -106
-106 ÷ 548 = -0.19343065693430658
-0.19343065693430658 x 100 = -19.34%