-65.9% is the change from 918 to 313
Calculation steps:
[( 313 - 918 ) ÷ 918] x 100 = -65.9%
Formula
Percentage change = [(313 - 918) / 918] x 100
Subtract the new number by the original number
313 - 918 = -605
-605 ÷ 918 = -0.659041394335512
-0.659041394335512 x 100 = -65.9%