53.57% is the change from 504 to 774
Calculation steps:
[( 774 - 504 ) ÷ 504] x 100 = 53.57%
Formula
Percentage change = [(774 - 504) / 504] x 100
Subtract the new number by the original number
774 - 504 = 270
270 ÷ 504 = 0.5357142857142857
0.5357142857142857 x 100 = 53.57%