-27.79% is the change from 914 to 660
Calculation steps:
[( 660 - 914 ) ÷ 914] x 100 = -27.79%
Formula
Percentage change = [(660 - 914) / 914] x 100
Subtract the new number by the original number
660 - 914 = -254
-254 ÷ 914 = -0.2778993435448578
-0.2778993435448578 x 100 = -27.79%