-86.89% is the change from 763 to 100
Calculation steps:
[( 100 - 763 ) ÷ 763] x 100 = -86.89%
Formula
Percentage change = [(100 - 763) / 763] x 100
Subtract the new number by the original number
100 - 763 = -663
-663 ÷ 763 = -0.8689384010484927
-0.8689384010484927 x 100 = -86.89%