-43.46% is the change from 918 to 519
Calculation steps:
[( 519 - 918 ) ÷ 918] x 100 = -43.46%
Formula
Percentage change = [(519 - 918) / 918] x 100
Subtract the new number by the original number
519 - 918 = -399
-399 ÷ 918 = -0.434640522875817
-0.434640522875817 x 100 = -43.46%