-98.29% is the change from 526 to 9
Calculation steps:
[( 9 - 526 ) ÷ 526] x 100 = -98.29%
Formula
Percentage change = [(9 - 526) / 526] x 100
Subtract the new number by the original number
9 - 526 = -517
-517 ÷ 526 = -0.9828897338403042
-0.9828897338403042 x 100 = -98.29%