52.68% is the change from 503 to 768
Calculation steps:
[( 768 - 503 ) ÷ 503] x 100 = 52.68%
Formula
Percentage change = [(768 - 503) / 503] x 100
Subtract the new number by the original number
768 - 503 = 265
265 ÷ 503 = 0.5268389662027833
0.5268389662027833 x 100 = 52.68%