-26.91% is the change from 918 to 671
Calculation steps:
[( 671 - 918 ) ÷ 918] x 100 = -26.91%
Formula
Percentage change = [(671 - 918) / 918] x 100
Subtract the new number by the original number
671 - 918 = -247
-247 ÷ 918 = -0.2690631808278867
-0.2690631808278867 x 100 = -26.91%