-2.79% is the change from 931 to 905
Calculation steps:
[( 905 - 931 ) ÷ 931] x 100 = -2.79%
Formula
Percentage change = [(905 - 931) / 931] x 100
Subtract the new number by the original number
905 - 931 = -26
-26 ÷ 931 = -0.027926960257787327
-0.027926960257787327 x 100 = -2.79%