-87.06% is the change from 603 to 78
Calculation steps:
[( 78 - 603 ) ÷ 603] x 100 = -87.06%
Formula
Percentage change = [(78 - 603) / 603] x 100
Subtract the new number by the original number
78 - 603 = -525
-525 ÷ 603 = -0.8706467661691543
-0.8706467661691543 x 100 = -87.06%