-31.7% is the change from 918 to 627
Calculation steps:
[( 627 - 918 ) ÷ 918] x 100 = -31.7%
Formula
Percentage change = [(627 - 918) / 918] x 100
Subtract the new number by the original number
627 - 918 = -291
-291 ÷ 918 = -0.31699346405228757
-0.31699346405228757 x 100 = -31.7%