385.37% is the change from 82 to 398
Calculation steps:
[( 398 - 82 ) ÷ 82] x 100 = 385.37%
Formula
Percentage change = [(398 - 82) / 82] x 100
Subtract the new number by the original number
398 - 82 = 316
316 ÷ 82 = 3.8536585365853657
3.8536585365853657 x 100 = 385.37%