-96.76% is the change from 525 to 17
Calculation steps:
[( 17 - 525 ) ÷ 525] x 100 = -96.76%
Formula
Percentage change = [(17 - 525) / 525] x 100
Subtract the new number by the original number
17 - 525 = -508
-508 ÷ 525 = -0.9676190476190476
-0.9676190476190476 x 100 = -96.76%