-50.45% is the change from 781 to 387
Calculation steps:
[( 387 - 781 ) ÷ 781] x 100 = -50.45%
Formula
Percentage change = [(387 - 781) / 781] x 100
Subtract the new number by the original number
387 - 781 = -394
-394 ÷ 781 = -0.5044814340588989
-0.5044814340588989 x 100 = -50.45%