-34.63% is the change from 774 to 506
Calculation steps:
[( 506 - 774 ) ÷ 774] x 100 = -34.63%
Formula
Percentage change = [(506 - 774) / 774] x 100
Subtract the new number by the original number
506 - 774 = -268
-268 ÷ 774 = -0.3462532299741602
-0.3462532299741602 x 100 = -34.63%