164.92% is the change from 305 to 808
Calculation steps:
[( 808 - 305 ) ÷ 305] x 100 = 164.92%
Formula
Percentage change = [(808 - 305) / 305] x 100
Subtract the new number by the original number
808 - 305 = 503
503 ÷ 305 = 1.6491803278688524
1.6491803278688524 x 100 = 164.92%