60.91% is the change from 307 to 494
Calculation steps:
[( 494 - 307 ) ÷ 307] x 100 = 60.91%
Formula
Percentage change = [(494 - 307) / 307] x 100
Subtract the new number by the original number
494 - 307 = 187
187 ÷ 307 = 0.6091205211726385
0.6091205211726385 x 100 = 60.91%