-56.23% is the change from 770 to 337
Calculation steps:
[( 337 - 770 ) ÷ 770] x 100 = -56.23%
Formula
Percentage change = [(337 - 770) / 770] x 100
Subtract the new number by the original number
337 - 770 = -433
-433 ÷ 770 = -0.5623376623376624
-0.5623376623376624 x 100 = -56.23%