-99.43% is the change from 526 to 3
Calculation steps:
[( 3 - 526 ) ÷ 526] x 100 = -99.43%
Formula
Percentage change = [(3 - 526) / 526] x 100
Subtract the new number by the original number
3 - 526 = -523
-523 ÷ 526 = -0.9942965779467681
-0.9942965779467681 x 100 = -99.43%