-49.09% is the change from 766 to 390
Calculation steps:
[( 390 - 766 ) ÷ 766] x 100 = -49.09%
Formula
Percentage change = [(390 - 766) / 766] x 100
Subtract the new number by the original number
390 - 766 = -376
-376 ÷ 766 = -0.4908616187989556
-0.4908616187989556 x 100 = -49.09%