81.38% is the change from 392 to 711
Calculation steps:
[( 711 - 392 ) ÷ 392] x 100 = 81.38%
Formula
Percentage change = [(711 - 392) / 392] x 100
Subtract the new number by the original number
711 - 392 = 319
319 ÷ 392 = 0.8137755102040817
0.8137755102040817 x 100 = 81.38%