-6.2% is the change from 581 to 545
Calculation steps:
[( 545 - 581 ) ÷ 581] x 100 = -6.2%
Formula
Percentage change = [(545 - 581) / 581] x 100
Subtract the new number by the original number
545 - 581 = -36
-36 ÷ 581 = -0.06196213425129088
-0.06196213425129088 x 100 = -6.2%