22100% is the change from 3 to 666
Calculation steps:
[( 666 - 3 ) ÷ 3] x 100 = 22100%
Formula
Percentage change = [(666 - 3) / 3] x 100
Subtract the new number by the original number
666 - 3 = 663
663 ÷ 3 = 221
221 x 100 = 22100%
Example