167.43% is the change from 304 to 813
Calculation steps:
[( 813 - 304 ) ÷ 304] x 100 = 167.43%
Formula
Percentage change = [(813 - 304) / 304] x 100
Subtract the new number by the original number
813 - 304 = 509
509 ÷ 304 = 1.674342105263158
1.674342105263158 x 100 = 167.43%