2179.31% is the change from 29 to 661
Calculation steps:
[( 661 - 29 ) ÷ 29] x 100 = 2179.31%
Formula
Percentage change = [(661 - 29) / 29] x 100
Subtract the new number by the original number
661 - 29 = 632
632 ÷ 29 = 21.79310344827586
21.79310344827586 x 100 = 2179.31%