-99.26% is the change from 540 to 4
Calculation steps:
[( 4 - 540 ) ÷ 540] x 100 = -99.26%
Formula
Percentage change = [(4 - 540) / 540] x 100
Subtract the new number by the original number
4 - 540 = -536
-536 ÷ 540 = -0.9925925925925926
-0.9925925925925926 x 100 = -99.26%