-66.23% is the change from 989 to 334
Calculation steps:
[( 334 - 989 ) ÷ 989] x 100 = -66.23%
Formula
Percentage change = [(334 - 989) / 989] x 100
Subtract the new number by the original number
334 - 989 = -655
-655 ÷ 989 = -0.6622851365015167
-0.6622851365015167 x 100 = -66.23%