-47.22% is the change from 756 to 399
Calculation steps:
[( 399 - 756 ) ÷ 756] x 100 = -47.22%
Formula
Percentage change = [(399 - 756) / 756] x 100
Subtract the new number by the original number
399 - 756 = -357
-357 ÷ 756 = -0.4722222222222222
-0.4722222222222222 x 100 = -47.22%