-99.81% is the change from 538 to 1
Calculation steps:
[( 1 - 538 ) ÷ 538] x 100 = -99.81%
Formula
Percentage change = [(1 - 538) / 538] x 100
Subtract the new number by the original number
1 - 538 = -537
-537 ÷ 538 = -0.9981412639405205
-0.9981412639405205 x 100 = -99.81%