-99.43% is the change from 527 to 3
Calculation steps:
[( 3 - 527 ) ÷ 527] x 100 = -99.43%
Formula
Percentage change = [(3 - 527) / 527] x 100
Subtract the new number by the original number
3 - 527 = -524
-524 ÷ 527 = -0.9943074003795066
-0.9943074003795066 x 100 = -99.43%