39.46% is the change from 555 to 774
Calculation steps:
[( 774 - 555 ) ÷ 555] x 100 = 39.46%
Formula
Percentage change = [(774 - 555) / 555] x 100
Subtract the new number by the original number
774 - 555 = 219
219 ÷ 555 = 0.3945945945945946
0.3945945945945946 x 100 = 39.46%