679.63% is the change from 54 to 421
Calculation steps:
[( 421 - 54 ) ÷ 54] x 100 = 679.63%
Formula
Percentage change = [(421 - 54) / 54] x 100
Subtract the new number by the original number
421 - 54 = 367
367 ÷ 54 = 6.796296296296297
6.796296296296297 x 100 = 679.63%