-21.34% is the change from 478 to 376
Calculation steps:
[( 376 - 478 ) ÷ 478] x 100 = -21.34%
Formula
Percentage change = [(376 - 478) / 478] x 100
Subtract the new number by the original number
376 - 478 = -102
-102 ÷ 478 = -0.21338912133891214
-0.21338912133891214 x 100 = -21.34%