-36.28% is the change from 973 to 620
Calculation steps:
[( 620 - 973 ) ÷ 973] x 100 = -36.28%
Formula
Percentage change = [(620 - 973) / 973] x 100
Subtract the new number by the original number
620 - 973 = -353
-353 ÷ 973 = -0.36279547790339156
-0.36279547790339156 x 100 = -36.28%