-88.57% is the change from 665 to 76
Calculation steps:
[( 76 - 665 ) ÷ 665] x 100 = -88.57%
Formula
Percentage change = [(76 - 665) / 665] x 100
Subtract the new number by the original number
76 - 665 = -589
-589 ÷ 665 = -0.8857142857142857
-0.8857142857142857 x 100 = -88.57%