-89.59% is the change from 951 to 99
Calculation steps:
[( 99 - 951 ) ÷ 951] x 100 = -89.59%
Formula
Percentage change = [(99 - 951) / 951] x 100
Subtract the new number by the original number
99 - 951 = -852
-852 ÷ 951 = -0.8958990536277602
-0.8958990536277602 x 100 = -89.59%