79.29% is the change from 140 to 251
Calculation steps:
[( 251 - 140 ) ÷ 140] x 100 = 79.29%
Formula
Percentage change = [(251 - 140) / 140] x 100
Subtract the new number by the original number
251 - 140 = 111
111 ÷ 140 = 0.7928571428571428
0.7928571428571428 x 100 = 79.29%