-1.31% is the change from 917 to 905
Calculation steps:
[( 905 - 917 ) ÷ 917] x 100 = -1.31%
Formula
Percentage change = [(905 - 917) / 917] x 100
Subtract the new number by the original number
905 - 917 = -12
-12 ÷ 917 = -0.013086150490730643
-0.013086150490730643 x 100 = -1.31%