55.47% is the change from 503 to 782
Calculation steps:
[( 782 - 503 ) ÷ 503] x 100 = 55.47%
Formula
Percentage change = [(782 - 503) / 503] x 100
Subtract the new number by the original number
782 - 503 = 279
279 ÷ 503 = 0.5546719681908548
0.5546719681908548 x 100 = 55.47%