-35.1% is the change from 960 to 623
Calculation steps:
[( 623 - 960 ) ÷ 960] x 100 = -35.1%
Formula
Percentage change = [(623 - 960) / 960] x 100
Subtract the new number by the original number
623 - 960 = -337
-337 ÷ 960 = -0.35104166666666664
-0.35104166666666664 x 100 = -35.1%