-36.71% is the change from 918 to 581
Calculation steps:
[( 581 - 918 ) ÷ 918] x 100 = -36.71%
Formula
Percentage change = [(581 - 918) / 918] x 100
Subtract the new number by the original number
581 - 918 = -337
-337 ÷ 918 = -0.3671023965141612
-0.3671023965141612 x 100 = -36.71%