-97.06% is the change from 918 to 27
Calculation steps:
[( 27 - 918 ) ÷ 918] x 100 = -97.06%
Formula
Percentage change = [(27 - 918) / 918] x 100
Subtract the new number by the original number
27 - 918 = -891
-891 ÷ 918 = -0.9705882352941176
-0.9705882352941176 x 100 = -97.06%