200% is the change from 29 to 87
Calculation steps:
[( 87 - 29 ) ÷ 29] x 100 = 200%
Formula
Percentage change = [(87 - 29) / 29] x 100
Subtract the new number by the original number
87 - 29 = 58
58 ÷ 29 = 2
2 x 100 = 200%
Example