-47.27% is the change from 768 to 405
Calculation steps:
[( 405 - 768 ) ÷ 768] x 100 = -47.27%
Formula
Percentage change = [(405 - 768) / 768] x 100
Subtract the new number by the original number
405 - 768 = -363
-363 ÷ 768 = -0.47265625
-0.47265625 x 100 = -47.27%