-38.64% is the change from 973 to 597
Calculation steps:
[( 597 - 973 ) ÷ 973] x 100 = -38.64%
Formula
Percentage change = [(597 - 973) / 973] x 100
Subtract the new number by the original number
597 - 973 = -376
-376 ÷ 973 = -0.3864337101747174
-0.3864337101747174 x 100 = -38.64%