851.22% is the change from 41 to 390
Calculation steps:
[( 390 - 41 ) ÷ 41] x 100 = 851.22%
Formula
Percentage change = [(390 - 41) / 41] x 100
Subtract the new number by the original number
390 - 41 = 349
349 ÷ 41 = 8.512195121951219
8.512195121951219 x 100 = 851.22%