56.73% is the change from 513 to 804
Calculation steps:
[( 804 - 513 ) ÷ 513] x 100 = 56.73%
Formula
Percentage change = [(804 - 513) / 513] x 100
Subtract the new number by the original number
804 - 513 = 291
291 ÷ 513 = 0.5672514619883041
0.5672514619883041 x 100 = 56.73%