36.18% is the change from 434 to 591
Calculation steps:
[( 591 - 434 ) ÷ 434] x 100 = 36.18%
Formula
Percentage change = [(591 - 434) / 434] x 100
Subtract the new number by the original number
591 - 434 = 157
157 ÷ 434 = 0.3617511520737327
0.3617511520737327 x 100 = 36.18%