-1.93% is the change from 935 to 917
Calculation steps:
[( 917 - 935 ) ÷ 935] x 100 = -1.93%
Formula
Percentage change = [(917 - 935) / 935] x 100
Subtract the new number by the original number
917 - 935 = -18
-18 ÷ 935 = -0.019251336898395723
-0.019251336898395723 x 100 = -1.93%