-98.72% is the change from 546 to 7
Calculation steps:
[( 7 - 546 ) ÷ 546] x 100 = -98.72%
Formula
Percentage change = [(7 - 546) / 546] x 100
Subtract the new number by the original number
7 - 546 = -539
-539 ÷ 546 = -0.9871794871794872
-0.9871794871794872 x 100 = -98.72%