71.14% is the change from 298 to 510
Calculation steps:
[( 510 - 298 ) ÷ 298] x 100 = 71.14%
Formula
Percentage change = [(510 - 298) / 298] x 100
Subtract the new number by the original number
510 - 298 = 212
212 ÷ 298 = 0.7114093959731543
0.7114093959731543 x 100 = 71.14%