37.18% is the change from 390 to 535
Calculation steps:
[( 535 - 390 ) ÷ 390] x 100 = 37.18%
Formula
Percentage change = [(535 - 390) / 390] x 100
Subtract the new number by the original number
535 - 390 = 145
145 ÷ 390 = 0.3717948717948718
0.3717948717948718 x 100 = 37.18%