375.61% is the change from 82 to 390
Calculation steps:
[( 390 - 82 ) ÷ 82] x 100 = 375.61%
Formula
Percentage change = [(390 - 82) / 82] x 100
Subtract the new number by the original number
390 - 82 = 308
308 ÷ 82 = 3.7560975609756095
3.7560975609756095 x 100 = 375.61%