380.95% is the change from 84 to 404
Calculation steps:
[( 404 - 84 ) ÷ 84] x 100 = 380.95%
Formula
Percentage change = [(404 - 84) / 84] x 100
Subtract the new number by the original number
404 - 84 = 320
320 ÷ 84 = 3.8095238095238093
3.8095238095238093 x 100 = 380.95%