306.09% is the change from 197 to 800
Calculation steps:
[( 800 - 197 ) ÷ 197] x 100 = 306.09%
Formula
Percentage change = [(800 - 197) / 197] x 100
Subtract the new number by the original number
800 - 197 = 603
603 ÷ 197 = 3.0609137055837565
3.0609137055837565 x 100 = 306.09%