-27.35% is the change from 914 to 664
Calculation steps:
[( 664 - 914 ) ÷ 914] x 100 = -27.35%
Formula
Percentage change = [(664 - 914) / 914] x 100
Subtract the new number by the original number
664 - 914 = -250
-250 ÷ 914 = -0.2735229759299781
-0.2735229759299781 x 100 = -27.35%