-10.51% is the change from 913 to 817
Calculation steps:
[( 817 - 913 ) ÷ 913] x 100 = -10.51%
Formula
Percentage change = [(817 - 913) / 913] x 100
Subtract the new number by the original number
817 - 913 = -96
-96 ÷ 913 = -0.10514786418400876
-0.10514786418400876 x 100 = -10.51%