48.53% is the change from 509 to 756
Calculation steps:
[( 756 - 509 ) ÷ 509] x 100 = 48.53%
Formula
Percentage change = [(756 - 509) / 509] x 100
Subtract the new number by the original number
756 - 509 = 247
247 ÷ 509 = 0.48526522593320237
0.48526522593320237 x 100 = 48.53%