135.46% is the change from 251 to 591
Calculation steps:
[( 591 - 251 ) ÷ 251] x 100 = 135.46%
Formula
Percentage change = [(591 - 251) / 251] x 100
Subtract the new number by the original number
591 - 251 = 340
340 ÷ 251 = 1.3545816733067728
1.3545816733067728 x 100 = 135.46%