-1.5% is the change from 935 to 921
Calculation steps:
[( 921 - 935 ) ÷ 935] x 100 = -1.5%
Formula
Percentage change = [(921 - 935) / 935] x 100
Subtract the new number by the original number
921 - 935 = -14
-14 ÷ 935 = -0.014973262032085561
-0.014973262032085561 x 100 = -1.5%