63.88% is the change from 551 to 903
Calculation steps:
[( 903 - 551 ) ÷ 551] x 100 = 63.88%
Formula
Percentage change = [(903 - 551) / 551] x 100
Subtract the new number by the original number
903 - 551 = 352
352 ÷ 551 = 0.6388384754990926
0.6388384754990926 x 100 = 63.88%