-41.8% is the change from 768 to 447
Calculation steps:
[( 447 - 768 ) ÷ 768] x 100 = -41.8%
Formula
Percentage change = [(447 - 768) / 768] x 100
Subtract the new number by the original number
447 - 768 = -321
-321 ÷ 768 = -0.41796875
-0.41796875 x 100 = -41.8%