-86.61% is the change from 747 to 100
Calculation steps:
[( 100 - 747 ) ÷ 747] x 100 = -86.61%
Formula
Percentage change = [(100 - 747) / 747] x 100
Subtract the new number by the original number
100 - 747 = -647
-647 ÷ 747 = -0.8661311914323963
-0.8661311914323963 x 100 = -86.61%