75% is the change from 140 to 245
Calculation steps:
[( 245 - 140 ) ÷ 140] x 100 = 75%
Formula
Percentage change = [(245 - 140) / 140] x 100
Subtract the new number by the original number
245 - 140 = 105
105 ÷ 140 = 0.75
0.75 x 100 = 75%
Example