-10.85% is the change from 857 to 764
Calculation steps:
[( 764 - 857 ) ÷ 857] x 100 = -10.85%
Formula
Percentage change = [(764 - 857) / 857] x 100
Subtract the new number by the original number
764 - 857 = -93
-93 ÷ 857 = -0.10851808634772463
-0.10851808634772463 x 100 = -10.85%