163.19% is the change from 307 to 808
Calculation steps:
[( 808 - 307 ) ÷ 307] x 100 = 163.19%
Formula
Percentage change = [(808 - 307) / 307] x 100
Subtract the new number by the original number
808 - 307 = 501
501 ÷ 307 = 1.6319218241042346
1.6319218241042346 x 100 = 163.19%