-15.24% is the change from 866 to 734
Calculation steps:
[( 734 - 866 ) ÷ 866] x 100 = -15.24%
Formula
Percentage change = [(734 - 866) / 866] x 100
Subtract the new number by the original number
734 - 866 = -132
-132 ÷ 866 = -0.15242494226327943
-0.15242494226327943 x 100 = -15.24%