-1.62% is the change from 988 to 972
Calculation steps:
[( 972 - 988 ) ÷ 988] x 100 = -1.62%
Formula
Percentage change = [(972 - 988) / 988] x 100
Subtract the new number by the original number
972 - 988 = -16
-16 ÷ 988 = -0.016194331983805668
-0.016194331983805668 x 100 = -1.62%