-43.36% is the change from 918 to 520
Calculation steps:
[( 520 - 918 ) ÷ 918] x 100 = -43.36%
Formula
Percentage change = [(520 - 918) / 918] x 100
Subtract the new number by the original number
520 - 918 = -398
-398 ÷ 918 = -0.4335511982570806
-0.4335511982570806 x 100 = -43.36%