50.7% is the change from 501 to 755
Calculation steps:
[( 755 - 501 ) ÷ 501] x 100 = 50.7%
Formula
Percentage change = [(755 - 501) / 501] x 100
Subtract the new number by the original number
755 - 501 = 254
254 ÷ 501 = 0.5069860279441117
0.5069860279441117 x 100 = 50.7%