-86.89% is the change from 755 to 99
Calculation steps:
[( 99 - 755 ) ÷ 755] x 100 = -86.89%
Formula
Percentage change = [(99 - 755) / 755] x 100
Subtract the new number by the original number
99 - 755 = -656
-656 ÷ 755 = -0.8688741721854305
-0.8688741721854305 x 100 = -86.89%