-50.45% is the change from 783 to 388
Calculation steps:
[( 388 - 783 ) ÷ 783] x 100 = -50.45%
Formula
Percentage change = [(388 - 783) / 783] x 100
Subtract the new number by the original number
388 - 783 = -395
-395 ÷ 783 = -0.5044699872286079
-0.5044699872286079 x 100 = -50.45%