-1.96% is the change from 917 to 899
Calculation steps:
[( 899 - 917 ) ÷ 917] x 100 = -1.96%
Formula
Percentage change = [(899 - 917) / 917] x 100
Subtract the new number by the original number
899 - 917 = -18
-18 ÷ 917 = -0.019629225736095966
-0.019629225736095966 x 100 = -1.96%