547.69% is the change from 65 to 421
Calculation steps:
[( 421 - 65 ) ÷ 65] x 100 = 547.69%
Formula
Percentage change = [(421 - 65) / 65] x 100
Subtract the new number by the original number
421 - 65 = 356
356 ÷ 65 = 5.476923076923077
5.476923076923077 x 100 = 547.69%