-0.49% is the change from 205 to 204
Calculation steps:
[( 204 - 205 ) ÷ 205] x 100 = -0.49%
Formula
Percentage change = [(204 - 205) / 205] x 100
Subtract the new number by the original number
204 - 205 = -1
-1 ÷ 205 = -0.004878048780487805
-0.004878048780487805 x 100 = -0.49%