42.3% is the change from 539 to 767
Calculation steps:
[( 767 - 539 ) ÷ 539] x 100 = 42.3%
Formula
Percentage change = [(767 - 539) / 539] x 100
Subtract the new number by the original number
767 - 539 = 228
228 ÷ 539 = 0.4230055658627087
0.4230055658627087 x 100 = 42.3%