73.27% is the change from 318 to 551
Calculation steps:
[( 551 - 318 ) ÷ 318] x 100 = 73.27%
Formula
Percentage change = [(551 - 318) / 318] x 100
Subtract the new number by the original number
551 - 318 = 233
233 ÷ 318 = 0.7327044025157232
0.7327044025157232 x 100 = 73.27%