261.43% is the change from 140 to 506
Calculation steps:
[( 506 - 140 ) ÷ 140] x 100 = 261.43%
Formula
Percentage change = [(506 - 140) / 140] x 100
Subtract the new number by the original number
506 - 140 = 366
366 ÷ 140 = 2.6142857142857143
2.6142857142857143 x 100 = 261.43%