609.3% is the change from 43 to 305
Calculation steps:
[( 305 - 43 ) ÷ 43] x 100 = 609.3%
Formula
Percentage change = [(305 - 43) / 43] x 100
Subtract the new number by the original number
305 - 43 = 262
262 ÷ 43 = 6.093023255813954
6.093023255813954 x 100 = 609.3%