-98.04% is the change from 917 to 18
Calculation steps:
[( 18 - 917 ) ÷ 917] x 100 = -98.04%
Formula
Percentage change = [(18 - 917) / 917] x 100
Subtract the new number by the original number
18 - 917 = -899
-899 ÷ 917 = -0.9803707742639041
-0.9803707742639041 x 100 = -98.04%