-18.1% is the change from 547 to 448
Calculation steps:
[( 448 - 547 ) ÷ 547] x 100 = -18.1%
Formula
Percentage change = [(448 - 547) / 547] x 100
Subtract the new number by the original number
448 - 547 = -99
-99 ÷ 547 = -0.1809872029250457
-0.1809872029250457 x 100 = -18.1%