89.25% is the change from 307 to 581
Calculation steps:
[( 581 - 307 ) ÷ 307] x 100 = 89.25%
Formula
Percentage change = [(581 - 307) / 307] x 100
Subtract the new number by the original number
581 - 307 = 274
274 ÷ 307 = 0.8925081433224755
0.8925081433224755 x 100 = 89.25%