-7.3% is the change from 918 to 851
Calculation steps:
[( 851 - 918 ) ÷ 918] x 100 = -7.3%
Formula
Percentage change = [(851 - 918) / 918] x 100
Subtract the new number by the original number
851 - 918 = -67
-67 ÷ 918 = -0.07298474945533769
-0.07298474945533769 x 100 = -7.3%