-87.7% is the change from 618 to 76
Calculation steps:
[( 76 - 618 ) ÷ 618] x 100 = -87.7%
Formula
Percentage change = [(76 - 618) / 618] x 100
Subtract the new number by the original number
76 - 618 = -542
-542 ÷ 618 = -0.8770226537216829
-0.8770226537216829 x 100 = -87.7%