-37.56% is the change from 977 to 610
Calculation steps:
[( 610 - 977 ) ÷ 977] x 100 = -37.56%
Formula
Percentage change = [(610 - 977) / 977] x 100
Subtract the new number by the original number
610 - 977 = -367
-367 ÷ 977 = -0.37563971340839303
-0.37563971340839303 x 100 = -37.56%