-1.71% is the change from 992 to 975
Calculation steps:
[( 975 - 992 ) ÷ 992] x 100 = -1.71%
Formula
Percentage change = [(975 - 992) / 992] x 100
Subtract the new number by the original number
975 - 992 = -17
-17 ÷ 992 = -0.017137096774193547
-0.017137096774193547 x 100 = -1.71%