-65.74% is the change from 934 to 320
Calculation steps:
[( 320 - 934 ) ÷ 934] x 100 = -65.74%
Formula
Percentage change = [(320 - 934) / 934] x 100
Subtract the new number by the original number
320 - 934 = -614
-614 ÷ 934 = -0.6573875802997858
-0.6573875802997858 x 100 = -65.74%