-8.47% is the change from 815 to 746
Calculation steps:
[( 746 - 815 ) ÷ 815] x 100 = -8.47%
Formula
Percentage change = [(746 - 815) / 815] x 100
Subtract the new number by the original number
746 - 815 = -69
-69 ÷ 815 = -0.08466257668711656
-0.08466257668711656 x 100 = -8.47%