-44.16% is the change from 770 to 430
Calculation steps:
[( 430 - 770 ) ÷ 770] x 100 = -44.16%
Formula
Percentage change = [(430 - 770) / 770] x 100
Subtract the new number by the original number
430 - 770 = -340
-340 ÷ 770 = -0.44155844155844154
-0.44155844155844154 x 100 = -44.16%