-7.48% is the change from 548 to 507
Calculation steps:
[( 507 - 548 ) ÷ 548] x 100 = -7.48%
Formula
Percentage change = [(507 - 548) / 548] x 100
Subtract the new number by the original number
507 - 548 = -41
-41 ÷ 548 = -0.07481751824817519
-0.07481751824817519 x 100 = -7.48%