-99.56% is the change from 225 to 1
Calculation steps:
[( 1 - 225 ) ÷ 225] x 100 = -99.56%
Formula
Percentage change = [(1 - 225) / 225] x 100
Subtract the new number by the original number
1 - 225 = -224
-224 ÷ 225 = -0.9955555555555555
-0.9955555555555555 x 100 = -99.56%