-2.02% is the change from 992 to 972
Calculation steps:
[( 972 - 992 ) ÷ 992] x 100 = -2.02%
Formula
Percentage change = [(972 - 992) / 992] x 100
Subtract the new number by the original number
972 - 992 = -20
-20 ÷ 992 = -0.020161290322580645
-0.020161290322580645 x 100 = -2.02%