40.29% is the change from 556 to 780
Calculation steps:
[( 780 - 556 ) ÷ 556] x 100 = 40.29%
Formula
Percentage change = [(780 - 556) / 556] x 100
Subtract the new number by the original number
780 - 556 = 224
224 ÷ 556 = 0.4028776978417266
0.4028776978417266 x 100 = 40.29%