55.72% is the change from 341 to 531
Calculation steps:
[( 531 - 341 ) ÷ 341] x 100 = 55.72%
Formula
Percentage change = [(531 - 341) / 341] x 100
Subtract the new number by the original number
531 - 341 = 190
190 ÷ 341 = 0.5571847507331378
0.5571847507331378 x 100 = 55.72%