-37% is the change from 973 to 613
Calculation steps:
[( 613 - 973 ) ÷ 973] x 100 = -37%
Formula
Percentage change = [(613 - 973) / 973] x 100
Subtract the new number by the original number
613 - 973 = -360
-360 ÷ 973 = -0.3699897225077081
-0.3699897225077081 x 100 = -37%