-13.85% is the change from 946 to 815
Calculation steps:
[( 815 - 946 ) ÷ 946] x 100 = -13.85%
Formula
Percentage change = [(815 - 946) / 946] x 100
Subtract the new number by the original number
815 - 946 = -131
-131 ÷ 946 = -0.13847780126849896
-0.13847780126849896 x 100 = -13.85%