380.49% is the change from 82 to 394
Calculation steps:
[( 394 - 82 ) ÷ 82] x 100 = 380.49%
Formula
Percentage change = [(394 - 82) / 82] x 100
Subtract the new number by the original number
394 - 82 = 312
312 ÷ 82 = 3.8048780487804876
3.8048780487804876 x 100 = 380.49%