-50.13% is the change from 782 to 390
Calculation steps:
[( 390 - 782 ) ÷ 782] x 100 = -50.13%
Formula
Percentage change = [(390 - 782) / 782] x 100
Subtract the new number by the original number
390 - 782 = -392
-392 ÷ 782 = -0.5012787723785166
-0.5012787723785166 x 100 = -50.13%