-86.57% is the change from 737 to 99
Calculation steps:
[( 99 - 737 ) ÷ 737] x 100 = -86.57%
Formula
Percentage change = [(99 - 737) / 737] x 100
Subtract the new number by the original number
99 - 737 = -638
-638 ÷ 737 = -0.8656716417910447
-0.8656716417910447 x 100 = -86.57%