-7.23% is the change from 913 to 847
Calculation steps:
[( 847 - 913 ) ÷ 913] x 100 = -7.23%
Formula
Percentage change = [(847 - 913) / 913] x 100
Subtract the new number by the original number
847 - 913 = -66
-66 ÷ 913 = -0.07228915662650602
-0.07228915662650602 x 100 = -7.23%