-96.39% is the change from 527 to 19
Calculation steps:
[( 19 - 527 ) ÷ 527] x 100 = -96.39%
Formula
Percentage change = [(19 - 527) / 527] x 100
Subtract the new number by the original number
19 - 527 = -508
-508 ÷ 527 = -0.9639468690702088
-0.9639468690702088 x 100 = -96.39%