-47.19% is the change from 960 to 507
Calculation steps:
[( 507 - 960 ) ÷ 960] x 100 = -47.19%
Formula
Percentage change = [(507 - 960) / 960] x 100
Subtract the new number by the original number
507 - 960 = -453
-453 ÷ 960 = -0.471875
-0.471875 x 100 = -47.19%