-10.64% is the change from 855 to 764
Calculation steps:
[( 764 - 855 ) ÷ 855] x 100 = -10.64%
Formula
Percentage change = [(764 - 855) / 855] x 100
Subtract the new number by the original number
764 - 855 = -91
-91 ÷ 855 = -0.1064327485380117
-0.1064327485380117 x 100 = -10.64%