-98.88% is the change from 538 to 6
Calculation steps:
[( 6 - 538 ) ÷ 538] x 100 = -98.88%
Formula
Percentage change = [(6 - 538) / 538] x 100
Subtract the new number by the original number
6 - 538 = -532
-532 ÷ 538 = -0.9888475836431226
-0.9888475836431226 x 100 = -98.88%