174.5% is the change from 298 to 818
Calculation steps:
[( 818 - 298 ) ÷ 298] x 100 = 174.5%
Formula
Percentage change = [(818 - 298) / 298] x 100
Subtract the new number by the original number
818 - 298 = 520
520 ÷ 298 = 1.74496644295302
1.74496644295302 x 100 = 174.5%