-18.8% is the change from 548 to 445
Calculation steps:
[( 445 - 548 ) ÷ 548] x 100 = -18.8%
Formula
Percentage change = [(445 - 548) / 548] x 100
Subtract the new number by the original number
445 - 548 = -103
-103 ÷ 548 = -0.18795620437956204
-0.18795620437956204 x 100 = -18.8%