-12.59% is the change from 866 to 757
Calculation steps:
[( 757 - 866 ) ÷ 866] x 100 = -12.59%
Formula
Percentage change = [(757 - 866) / 866] x 100
Subtract the new number by the original number
757 - 866 = -109
-109 ÷ 866 = -0.1258660508083141
-0.1258660508083141 x 100 = -12.59%