-90.62% is the change from 949 to 89
Calculation steps:
[( 89 - 949 ) ÷ 949] x 100 = -90.62%
Formula
Percentage change = [(89 - 949) / 949] x 100
Subtract the new number by the original number
89 - 949 = -860
-860 ÷ 949 = -0.9062170706006323
-0.9062170706006323 x 100 = -90.62%