-88.61% is the change from 667 to 76
Calculation steps:
[( 76 - 667 ) ÷ 667] x 100 = -88.61%
Formula
Percentage change = [(76 - 667) / 667] x 100
Subtract the new number by the original number
76 - 667 = -591
-591 ÷ 667 = -0.8860569715142429
-0.8860569715142429 x 100 = -88.61%