82.24% is the change from 214 to 390
Calculation steps:
[( 390 - 214 ) ÷ 214] x 100 = 82.24%
Formula
Percentage change = [(390 - 214) / 214] x 100
Subtract the new number by the original number
390 - 214 = 176
176 ÷ 214 = 0.822429906542056
0.822429906542056 x 100 = 82.24%