-98.5% is the change from 535 to 8
Calculation steps:
[( 8 - 535 ) ÷ 535] x 100 = -98.5%
Formula
Percentage change = [(8 - 535) / 535] x 100
Subtract the new number by the original number
8 - 535 = -527
-527 ÷ 535 = -0.9850467289719627
-0.9850467289719627 x 100 = -98.5%