-37.5% is the change from 976 to 610
Calculation steps:
[( 610 - 976 ) ÷ 976] x 100 = -37.5%
Formula
Percentage change = [(610 - 976) / 976] x 100
Subtract the new number by the original number
610 - 976 = -366
-366 ÷ 976 = -0.375
-0.375 x 100 = -37.5%