-89.61% is the change from 953 to 99
Calculation steps:
[( 99 - 953 ) ÷ 953] x 100 = -89.61%
Formula
Percentage change = [(99 - 953) / 953] x 100
Subtract the new number by the original number
99 - 953 = -854
-854 ÷ 953 = -0.8961175236096537
-0.8961175236096537 x 100 = -89.61%