-1.52% is the change from 988 to 973
Calculation steps:
[( 973 - 988 ) ÷ 988] x 100 = -1.52%
Formula
Percentage change = [(973 - 988) / 988] x 100
Subtract the new number by the original number
973 - 988 = -15
-15 ÷ 988 = -0.015182186234817813
-0.015182186234817813 x 100 = -1.52%