-24.83% is the change from 886 to 666
Calculation steps:
[( 666 - 886 ) ÷ 886] x 100 = -24.83%
Formula
Percentage change = [(666 - 886) / 886] x 100
Subtract the new number by the original number
666 - 886 = -220
-220 ÷ 886 = -0.24830699774266365
-0.24830699774266365 x 100 = -24.83%