-1.64% is the change from 917 to 902
Calculation steps:
[( 902 - 917 ) ÷ 917] x 100 = -1.64%
Formula
Percentage change = [(902 - 917) / 917] x 100
Subtract the new number by the original number
902 - 917 = -15
-15 ÷ 917 = -0.016357688113413305
-0.016357688113413305 x 100 = -1.64%