67.2% is the change from 503 to 841
Calculation steps:
[( 841 - 503 ) ÷ 503] x 100 = 67.2%
Formula
Percentage change = [(841 - 503) / 503] x 100
Subtract the new number by the original number
841 - 503 = 338
338 ÷ 503 = 0.6719681908548708
0.6719681908548708 x 100 = 67.2%