73.35% is the change from 319 to 553
Calculation steps:
[( 553 - 319 ) ÷ 319] x 100 = 73.35%
Formula
Percentage change = [(553 - 319) / 319] x 100
Subtract the new number by the original number
553 - 319 = 234
234 ÷ 319 = 0.7335423197492164
0.7335423197492164 x 100 = 73.35%