-36.72% is the change from 768 to 486
Calculation steps:
[( 486 - 768 ) ÷ 768] x 100 = -36.72%
Formula
Percentage change = [(486 - 768) / 768] x 100
Subtract the new number by the original number
486 - 768 = -282
-282 ÷ 768 = -0.3671875
-0.3671875 x 100 = -36.72%