-99.6% is the change from 253 to 1
Calculation steps:
[( 1 - 253 ) ÷ 253] x 100 = -99.6%
Formula
Percentage change = [(1 - 253) / 253] x 100
Subtract the new number by the original number
1 - 253 = -252
-252 ÷ 253 = -0.9960474308300395
-0.9960474308300395 x 100 = -99.6%