-98.17% is the change from 983 to 18
Calculation steps:
[( 18 - 983 ) ÷ 983] x 100 = -98.17%
Formula
Percentage change = [(18 - 983) / 983] x 100
Subtract the new number by the original number
18 - 983 = -965
-965 ÷ 983 = -0.9816887080366226
-0.9816887080366226 x 100 = -98.17%