-29.38% is the change from 548 to 387
Calculation steps:
[( 387 - 548 ) ÷ 548] x 100 = -29.38%
Formula
Percentage change = [(387 - 548) / 548] x 100
Subtract the new number by the original number
387 - 548 = -161
-161 ÷ 548 = -0.2937956204379562
-0.2937956204379562 x 100 = -29.38%