-48.5% is the change from 200 to 103
Calculation steps:
[( 103 - 200 ) ÷ 200] x 100 = -48.5%
Formula
Percentage change = [(103 - 200) / 200] x 100
Subtract the new number by the original number
103 - 200 = -97
-97 ÷ 200 = -0.485
-0.485 x 100 = -48.5%