-18.54% is the change from 917 to 747
Calculation steps:
[( 747 - 917 ) ÷ 917] x 100 = -18.54%
Formula
Percentage change = [(747 - 917) / 917] x 100
Subtract the new number by the original number
747 - 917 = -170
-170 ÷ 917 = -0.18538713195201745
-0.18538713195201745 x 100 = -18.54%