-10.61% is the change from 858 to 767
Calculation steps:
[( 767 - 858 ) ÷ 858] x 100 = -10.61%
Formula
Percentage change = [(767 - 858) / 858] x 100
Subtract the new number by the original number
767 - 858 = -91
-91 ÷ 858 = -0.10606060606060606
-0.10606060606060606 x 100 = -10.61%