-98.9% is the change from 547 to 6
Calculation steps:
[( 6 - 547 ) ÷ 547] x 100 = -98.9%
Formula
Percentage change = [(6 - 547) / 547] x 100
Subtract the new number by the original number
6 - 547 = -541
-541 ÷ 547 = -0.9890310786106032
-0.9890310786106032 x 100 = -98.9%