-49.63% is the change from 403 to 203
Calculation steps:
[( 203 - 403 ) ÷ 403] x 100 = -49.63%
Formula
Percentage change = [(203 - 403) / 403] x 100
Subtract the new number by the original number
203 - 403 = -200
-200 ÷ 403 = -0.49627791563275436
-0.49627791563275436 x 100 = -49.63%