-98.72% is the change from 547 to 7
Calculation steps:
[( 7 - 547 ) ÷ 547] x 100 = -98.72%
Formula
Percentage change = [(7 - 547) / 547] x 100
Subtract the new number by the original number
7 - 547 = -540
-540 ÷ 547 = -0.9872029250457038
-0.9872029250457038 x 100 = -98.72%