83.25% is the change from 388 to 711
Calculation steps:
[( 711 - 388 ) ÷ 388] x 100 = 83.25%
Formula
Percentage change = [(711 - 388) / 388] x 100
Subtract the new number by the original number
711 - 388 = 323
323 ÷ 388 = 0.8324742268041238
0.8324742268041238 x 100 = 83.25%