44.35% is the change from 345 to 498
Calculation steps:
[( 498 - 345 ) ÷ 345] x 100 = 44.35%
Formula
Percentage change = [(498 - 345) / 345] x 100
Subtract the new number by the original number
498 - 345 = 153
153 ÷ 345 = 0.4434782608695652
0.4434782608695652 x 100 = 44.35%