55.29% is the change from 501 to 778
Calculation steps:
[( 778 - 501 ) ÷ 501] x 100 = 55.29%
Formula
Percentage change = [(778 - 501) / 501] x 100
Subtract the new number by the original number
778 - 501 = 277
277 ÷ 501 = 0.5528942115768463
0.5528942115768463 x 100 = 55.29%