-18.51% is the change from 470 to 383
Calculation steps:
[( 383 - 470 ) ÷ 470] x 100 = -18.51%
Formula
Percentage change = [(383 - 470) / 470] x 100
Subtract the new number by the original number
383 - 470 = -87
-87 ÷ 470 = -0.1851063829787234
-0.1851063829787234 x 100 = -18.51%