20.33% is the change from 551 to 663
Calculation steps:
[( 663 - 551 ) ÷ 551] x 100 = 20.33%
Formula
Percentage change = [(663 - 551) / 551] x 100
Subtract the new number by the original number
663 - 551 = 112
112 ÷ 551 = 0.20326678765880218
0.20326678765880218 x 100 = 20.33%