-1.91% is the change from 993 to 974
Calculation steps:
[( 974 - 993 ) ÷ 993] x 100 = -1.91%
Formula
Percentage change = [(974 - 993) / 993] x 100
Subtract the new number by the original number
974 - 993 = -19
-19 ÷ 993 = -0.019133937562940583
-0.019133937562940583 x 100 = -1.91%