-29.38% is the change from 960 to 678
Calculation steps:
[( 678 - 960 ) ÷ 960] x 100 = -29.38%
Formula
Percentage change = [(678 - 960) / 960] x 100
Subtract the new number by the original number
678 - 960 = -282
-282 ÷ 960 = -0.29375
-0.29375 x 100 = -29.38%