-51.61% is the change from 992 to 480
Calculation steps:
[( 480 - 992 ) ÷ 992] x 100 = -51.61%
Formula
Percentage change = [(480 - 992) / 992] x 100
Subtract the new number by the original number
480 - 992 = -512
-512 ÷ 992 = -0.5161290322580645
-0.5161290322580645 x 100 = -51.61%