-17.55% is the change from 473 to 390
Calculation steps:
[( 390 - 473 ) ÷ 473] x 100 = -17.55%
Formula
Percentage change = [(390 - 473) / 473] x 100
Subtract the new number by the original number
390 - 473 = -83
-83 ÷ 473 = -0.17547568710359407
-0.17547568710359407 x 100 = -17.55%