-89.25% is the change from 949 to 102
Calculation steps:
[( 102 - 949 ) ÷ 949] x 100 = -89.25%
Formula
Percentage change = [(102 - 949) / 949] x 100
Subtract the new number by the original number
102 - 949 = -847
-847 ÷ 949 = -0.8925184404636459
-0.8925184404636459 x 100 = -89.25%