-99.27% is the change from 545 to 4
Calculation steps:
[( 4 - 545 ) ÷ 545] x 100 = -99.27%
Formula
Percentage change = [(4 - 545) / 545] x 100
Subtract the new number by the original number
4 - 545 = -541
-541 ÷ 545 = -0.9926605504587156
-0.9926605504587156 x 100 = -99.27%