-30.76% is the change from 972 to 673
Calculation steps:
[( 673 - 972 ) ÷ 972] x 100 = -30.76%
Formula
Percentage change = [(673 - 972) / 972] x 100
Subtract the new number by the original number
673 - 972 = -299
-299 ÷ 972 = -0.30761316872427985
-0.30761316872427985 x 100 = -30.76%