-64.99% is the change from 914 to 320
Calculation steps:
[( 320 - 914 ) ÷ 914] x 100 = -64.99%
Formula
Percentage change = [(320 - 914) / 914] x 100
Subtract the new number by the original number
320 - 914 = -594
-594 ÷ 914 = -0.649890590809628
-0.649890590809628 x 100 = -64.99%