-89.08% is the change from 907 to 99
Calculation steps:
[( 99 - 907 ) ÷ 907] x 100 = -89.08%
Formula
Percentage change = [(99 - 907) / 907] x 100
Subtract the new number by the original number
99 - 907 = -808
-808 ÷ 907 = -0.8908489525909592
-0.8908489525909592 x 100 = -89.08%