-18.94% is the change from 470 to 381
Calculation steps:
[( 381 - 470 ) ÷ 470] x 100 = -18.94%
Formula
Percentage change = [(381 - 470) / 470] x 100
Subtract the new number by the original number
381 - 470 = -89
-89 ÷ 470 = -0.18936170212765957
-0.18936170212765957 x 100 = -18.94%