60.17% is the change from 344 to 551
Calculation steps:
[( 551 - 344 ) ÷ 344] x 100 = 60.17%
Formula
Percentage change = [(551 - 344) / 344] x 100
Subtract the new number by the original number
551 - 344 = 207
207 ÷ 344 = 0.6017441860465116
0.6017441860465116 x 100 = 60.17%