-21.29% is the change from 775 to 610
Calculation steps:
[( 610 - 775 ) ÷ 775] x 100 = -21.29%
Formula
Percentage change = [(610 - 775) / 775] x 100
Subtract the new number by the original number
610 - 775 = -165
-165 ÷ 775 = -0.2129032258064516
-0.2129032258064516 x 100 = -21.29%