611.63% is the change from 43 to 306
Calculation steps:
[( 306 - 43 ) ÷ 43] x 100 = 611.63%
Formula
Percentage change = [(306 - 43) / 43] x 100
Subtract the new number by the original number
306 - 43 = 263
263 ÷ 43 = 6.116279069767442
6.116279069767442 x 100 = 611.63%