-27.13% is the change from 914 to 666
Calculation steps:
[( 666 - 914 ) ÷ 914] x 100 = -27.13%
Formula
Percentage change = [(666 - 914) / 914] x 100
Subtract the new number by the original number
666 - 914 = -248
-248 ÷ 914 = -0.2713347921225383
-0.2713347921225383 x 100 = -27.13%