118.57% is the change from 140 to 306
Calculation steps:
[( 306 - 140 ) ÷ 140] x 100 = 118.57%
Formula
Percentage change = [(306 - 140) / 140] x 100
Subtract the new number by the original number
306 - 140 = 166
166 ÷ 140 = 1.1857142857142857
1.1857142857142857 x 100 = 118.57%