-98.51% is the change from 538 to 8
Calculation steps:
[( 8 - 538 ) ÷ 538] x 100 = -98.51%
Formula
Percentage change = [(8 - 538) / 538] x 100
Subtract the new number by the original number
8 - 538 = -530
-530 ÷ 538 = -0.9851301115241635
-0.9851301115241635 x 100 = -98.51%