21800% is the change from 3 to 657
Calculation steps:
[( 657 - 3 ) ÷ 3] x 100 = 21800%
Formula
Percentage change = [(657 - 3) / 3] x 100
Subtract the new number by the original number
657 - 3 = 654
654 ÷ 3 = 218
218 x 100 = 21800%
Example