-97.43% is the change from 389 to 10
Calculation steps:
[( 10 - 389 ) ÷ 389] x 100 = -97.43%
Formula
Percentage change = [(10 - 389) / 389] x 100
Subtract the new number by the original number
10 - 389 = -379
-379 ÷ 389 = -0.974293059125964
-0.974293059125964 x 100 = -97.43%