-73.54% is the change from 548 to 145
Calculation steps:
[( 145 - 548 ) ÷ 548] x 100 = -73.54%
Formula
Percentage change = [(145 - 548) / 548] x 100
Subtract the new number by the original number
145 - 548 = -403
-403 ÷ 548 = -0.7354014598540146
-0.7354014598540146 x 100 = -73.54%