-31.29% is the change from 684 to 470
Calculation steps:
[( 470 - 684 ) ÷ 684] x 100 = -31.29%
Formula
Percentage change = [(470 - 684) / 684] x 100
Subtract the new number by the original number
470 - 684 = -214
-214 ÷ 684 = -0.3128654970760234
-0.3128654970760234 x 100 = -31.29%