77.53% is the change from 503 to 893
Calculation steps:
[( 893 - 503 ) ÷ 503] x 100 = 77.53%
Formula
Percentage change = [(893 - 503) / 503] x 100
Subtract the new number by the original number
893 - 503 = 390
390 ÷ 503 = 0.7753479125248509
0.7753479125248509 x 100 = 77.53%