-13.09% is the change from 917 to 797
Calculation steps:
[( 797 - 917 ) ÷ 917] x 100 = -13.09%
Formula
Percentage change = [(797 - 917) / 917] x 100
Subtract the new number by the original number
797 - 917 = -120
-120 ÷ 917 = -0.13086150490730644
-0.13086150490730644 x 100 = -13.09%