59.93% is the change from 307 to 491
Calculation steps:
[( 491 - 307 ) ÷ 307] x 100 = 59.93%
Formula
Percentage change = [(491 - 307) / 307] x 100
Subtract the new number by the original number
491 - 307 = 184
184 ÷ 307 = 0.5993485342019544
0.5993485342019544 x 100 = 59.93%