8.68% is the change from 507 to 551
Calculation steps:
[( 551 - 507 ) ÷ 507] x 100 = 8.68%
Formula
Percentage change = [(551 - 507) / 507] x 100
Subtract the new number by the original number
551 - 507 = 44
44 ÷ 507 = 0.08678500986193294
0.08678500986193294 x 100 = 8.68%