-87.4% is the change from 603 to 76
Calculation steps:
[( 76 - 603 ) ÷ 603] x 100 = -87.4%
Formula
Percentage change = [(76 - 603) / 603] x 100
Subtract the new number by the original number
76 - 603 = -527
-527 ÷ 603 = -0.8739635157545605
-0.8739635157545605 x 100 = -87.4%