88.27% is the change from 503 to 947
Calculation steps:
[( 947 - 503 ) ÷ 503] x 100 = 88.27%
Formula
Percentage change = [(947 - 503) / 503] x 100
Subtract the new number by the original number
947 - 503 = 444
444 ÷ 503 = 0.882703777335984
0.882703777335984 x 100 = 88.27%