-99.45% is the change from 545 to 3
Calculation steps:
[( 3 - 545 ) ÷ 545] x 100 = -99.45%
Formula
Percentage change = [(3 - 545) / 545] x 100
Subtract the new number by the original number
3 - 545 = -542
-542 ÷ 545 = -0.9944954128440368
-0.9944954128440368 x 100 = -99.45%