-64.06% is the change from 960 to 345
Calculation steps:
[( 345 - 960 ) ÷ 960] x 100 = -64.06%
Formula
Percentage change = [(345 - 960) / 960] x 100
Subtract the new number by the original number
345 - 960 = -615
-615 ÷ 960 = -0.640625
-0.640625 x 100 = -64.06%