-86.62% is the change from 740 to 99
Calculation steps:
[( 99 - 740 ) ÷ 740] x 100 = -86.62%
Formula
Percentage change = [(99 - 740) / 740] x 100
Subtract the new number by the original number
99 - 740 = -641
-641 ÷ 740 = -0.8662162162162163
-0.8662162162162163 x 100 = -86.62%