-86.59% is the change from 738 to 99
Calculation steps:
[( 99 - 738 ) ÷ 738] x 100 = -86.59%
Formula
Percentage change = [(99 - 738) / 738] x 100
Subtract the new number by the original number
99 - 738 = -639
-639 ÷ 738 = -0.8658536585365854
-0.8658536585365854 x 100 = -86.59%