-96.38% is the change from 525 to 19
Calculation steps:
[( 19 - 525 ) ÷ 525] x 100 = -96.38%
Formula
Percentage change = [(19 - 525) / 525] x 100
Subtract the new number by the original number
19 - 525 = -506
-506 ÷ 525 = -0.9638095238095238
-0.9638095238095238 x 100 = -96.38%