10.51% is the change from 866 to 957
Calculation steps:
[( 957 - 866 ) ÷ 866] x 100 = 10.51%
Formula
Percentage change = [(957 - 866) / 866] x 100
Subtract the new number by the original number
957 - 866 = 91
91 ÷ 866 = 0.10508083140877598
0.10508083140877598 x 100 = 10.51%