75.82% is the change from 306 to 538
Calculation steps:
[( 538 - 306 ) ÷ 306] x 100 = 75.82%
Formula
Percentage change = [(538 - 306) / 306] x 100
Subtract the new number by the original number
538 - 306 = 232
232 ÷ 306 = 0.7581699346405228
0.7581699346405228 x 100 = 75.82%