-15.81% is the change from 917 to 772
Calculation steps:
[( 772 - 917 ) ÷ 917] x 100 = -15.81%
Formula
Percentage change = [(772 - 917) / 917] x 100
Subtract the new number by the original number
772 - 917 = -145
-145 ÷ 917 = -0.15812431842966193
-0.15812431842966193 x 100 = -15.81%