-16.47% is the change from 917 to 766
Calculation steps:
[( 766 - 917 ) ÷ 917] x 100 = -16.47%
Formula
Percentage change = [(766 - 917) / 917] x 100
Subtract the new number by the original number
766 - 917 = -151
-151 ÷ 917 = -0.16466739367502725
-0.16466739367502725 x 100 = -16.47%