75.15% is the change from 503 to 881
Calculation steps:
[( 881 - 503 ) ÷ 503] x 100 = 75.15%
Formula
Percentage change = [(881 - 503) / 503] x 100
Subtract the new number by the original number
881 - 503 = 378
378 ÷ 503 = 0.7514910536779325
0.7514910536779325 x 100 = 75.15%