75.25% is the change from 303 to 531
Calculation steps:
[( 531 - 303 ) ÷ 303] x 100 = 75.25%
Formula
Percentage change = [(531 - 303) / 303] x 100
Subtract the new number by the original number
531 - 303 = 228
228 ÷ 303 = 0.7524752475247525
0.7524752475247525 x 100 = 75.25%