-94.3% is the change from 526 to 30
Calculation steps:
[( 30 - 526 ) ÷ 526] x 100 = -94.3%
Formula
Percentage change = [(30 - 526) / 526] x 100
Subtract the new number by the original number
30 - 526 = -496
-496 ÷ 526 = -0.9429657794676806
-0.9429657794676806 x 100 = -94.3%