72.73% is the change from 319 to 551
Calculation steps:
[( 551 - 319 ) ÷ 319] x 100 = 72.73%
Formula
Percentage change = [(551 - 319) / 319] x 100
Subtract the new number by the original number
551 - 319 = 232
232 ÷ 319 = 0.7272727272727273
0.7272727272727273 x 100 = 72.73%