-31.98% is the change from 469 to 319
Calculation steps:
[( 319 - 469 ) ÷ 469] x 100 = -31.98%
Formula
Percentage change = [(319 - 469) / 469] x 100
Subtract the new number by the original number
319 - 469 = -150
-150 ÷ 469 = -0.31982942430703626
-0.31982942430703626 x 100 = -31.98%