-99.21% is the change from 254 to 2
Calculation steps:
[( 2 - 254 ) ÷ 254] x 100 = -99.21%
Formula
Percentage change = [(2 - 254) / 254] x 100
Subtract the new number by the original number
2 - 254 = -252
-252 ÷ 254 = -0.9921259842519685
-0.9921259842519685 x 100 = -99.21%