-13.18% is the change from 918 to 797
Calculation steps:
[( 797 - 918 ) ÷ 918] x 100 = -13.18%
Formula
Percentage change = [(797 - 918) / 918] x 100
Subtract the new number by the original number
797 - 918 = -121
-121 ÷ 918 = -0.1318082788671024
-0.1318082788671024 x 100 = -13.18%