-49.38% is the change from 960 to 486
Calculation steps:
[( 486 - 960 ) ÷ 960] x 100 = -49.38%
Formula
Percentage change = [(486 - 960) / 960] x 100
Subtract the new number by the original number
486 - 960 = -474
-474 ÷ 960 = -0.49375
-0.49375 x 100 = -49.38%