-28.36% is the change from 931 to 667
Calculation steps:
[( 667 - 931 ) ÷ 931] x 100 = -28.36%
Formula
Percentage change = [(667 - 931) / 931] x 100
Subtract the new number by the original number
667 - 931 = -264
-264 ÷ 931 = -0.28356605800214824
-0.28356605800214824 x 100 = -28.36%