-7.5% is the change from 973 to 900
Calculation steps:
[( 900 - 973 ) ÷ 973] x 100 = -7.5%
Formula
Percentage change = [(900 - 973) / 973] x 100
Subtract the new number by the original number
900 - 973 = -73
-73 ÷ 973 = -0.0750256937307297
-0.0750256937307297 x 100 = -7.5%