-49.51% is the change from 204 to 103
Calculation steps:
[( 103 - 204 ) ÷ 204] x 100 = -49.51%
Formula
Percentage change = [(103 - 204) / 204] x 100
Subtract the new number by the original number
103 - 204 = -101
-101 ÷ 204 = -0.4950980392156863
-0.4950980392156863 x 100 = -49.51%