-17.86% is the change from 812 to 667
Calculation steps:
[( 667 - 812 ) ÷ 812] x 100 = -17.86%
Formula
Percentage change = [(667 - 812) / 812] x 100
Subtract the new number by the original number
667 - 812 = -145
-145 ÷ 812 = -0.17857142857142858
-0.17857142857142858 x 100 = -17.86%