-85.14% is the change from 525 to 78
Calculation steps:
[( 78 - 525 ) ÷ 525] x 100 = -85.14%
Formula
Percentage change = [(78 - 525) / 525] x 100
Subtract the new number by the original number
78 - 525 = -447
-447 ÷ 525 = -0.8514285714285714
-0.8514285714285714 x 100 = -85.14%