-42.81% is the change from 918 to 525
Calculation steps:
[( 525 - 918 ) ÷ 918] x 100 = -42.81%
Formula
Percentage change = [(525 - 918) / 918] x 100
Subtract the new number by the original number
525 - 918 = -393
-393 ÷ 918 = -0.42810457516339867
-0.42810457516339867 x 100 = -42.81%