-64.83% is the change from 290 to 102
Calculation steps:
[( 102 - 290 ) ÷ 290] x 100 = -64.83%
Formula
Percentage change = [(102 - 290) / 290] x 100
Subtract the new number by the original number
102 - 290 = -188
-188 ÷ 290 = -0.6482758620689655
-0.6482758620689655 x 100 = -64.83%