74.83% is the change from 298 to 521
Calculation steps:
[( 521 - 298 ) ÷ 298] x 100 = 74.83%
Formula
Percentage change = [(521 - 298) / 298] x 100
Subtract the new number by the original number
521 - 298 = 223
223 ÷ 298 = 0.7483221476510067
0.7483221476510067 x 100 = 74.83%