-47.5% is the change from 760 to 399
Calculation steps:
[( 399 - 760 ) ÷ 760] x 100 = -47.5%
Formula
Percentage change = [(399 - 760) / 760] x 100
Subtract the new number by the original number
399 - 760 = -361
-361 ÷ 760 = -0.475
-0.475 x 100 = -47.5%