285.37% is the change from 82 to 316
Calculation steps:
[( 316 - 82 ) ÷ 82] x 100 = 285.37%
Formula
Percentage change = [(316 - 82) / 82] x 100
Subtract the new number by the original number
316 - 82 = 234
234 ÷ 82 = 2.8536585365853657
2.8536585365853657 x 100 = 285.37%