61.97% is the change from 305 to 494
Calculation steps:
[( 494 - 305 ) ÷ 305] x 100 = 61.97%
Formula
Percentage change = [(494 - 305) / 305] x 100
Subtract the new number by the original number
494 - 305 = 189
189 ÷ 305 = 0.6196721311475409
0.6196721311475409 x 100 = 61.97%