678.18% is the change from 55 to 428
Calculation steps:
[( 428 - 55 ) ÷ 55] x 100 = 678.18%
Formula
Percentage change = [(428 - 55) / 55] x 100
Subtract the new number by the original number
428 - 55 = 373
373 ÷ 55 = 6.781818181818182
6.781818181818182 x 100 = 678.18%