-42.27% is the change from 918 to 530
Calculation steps:
[( 530 - 918 ) ÷ 918] x 100 = -42.27%
Formula
Percentage change = [(530 - 918) / 918] x 100
Subtract the new number by the original number
530 - 918 = -388
-388 ÷ 918 = -0.4226579520697168
-0.4226579520697168 x 100 = -42.27%