-27.56% is the change from 918 to 665
Calculation steps:
[( 665 - 918 ) ÷ 918] x 100 = -27.56%
Formula
Percentage change = [(665 - 918) / 918] x 100
Subtract the new number by the original number
665 - 918 = -253
-253 ÷ 918 = -0.275599128540305
-0.275599128540305 x 100 = -27.56%