-44.23% is the change from 918 to 512
Calculation steps:
[( 512 - 918 ) ÷ 918] x 100 = -44.23%
Formula
Percentage change = [(512 - 918) / 918] x 100
Subtract the new number by the original number
512 - 918 = -406
-406 ÷ 918 = -0.4422657952069717
-0.4422657952069717 x 100 = -44.23%