-1.96% is the change from 918 to 900
Calculation steps:
[( 900 - 918 ) ÷ 918] x 100 = -1.96%
Formula
Percentage change = [(900 - 918) / 918] x 100
Subtract the new number by the original number
900 - 918 = -18
-18 ÷ 918 = -0.0196078431372549
-0.0196078431372549 x 100 = -1.96%