-82.52% is the change from 103 to 18
Calculation steps:
[( 18 - 103 ) ÷ 103] x 100 = -82.52%
Formula
Percentage change = [(18 - 103) / 103] x 100
Subtract the new number by the original number
18 - 103 = -85
-85 ÷ 103 = -0.8252427184466019
-0.8252427184466019 x 100 = -82.52%