168.97% is the change from 87 to 234
Calculation steps:
[( 234 - 87 ) ÷ 87] x 100 = 168.97%
Formula
Percentage change = [(234 - 87) / 87] x 100
Subtract the new number by the original number
234 - 87 = 147
147 ÷ 87 = 1.6896551724137931
1.6896551724137931 x 100 = 168.97%