994.87% is the change from 39 to 427
Calculation steps:
[( 427 - 39 ) ÷ 39] x 100 = 994.87%
Formula
Percentage change = [(427 - 39) / 39] x 100
Subtract the new number by the original number
427 - 39 = 388
388 ÷ 39 = 9.948717948717949
9.948717948717949 x 100 = 994.87%