77.55% is the change from 49 to 87
Calculation steps:
[( 87 - 49 ) ÷ 49] x 100 = 77.55%
Formula
Percentage change = [(87 - 49) / 49] x 100
Subtract the new number by the original number
87 - 49 = 38
38 ÷ 49 = 0.7755102040816326
0.7755102040816326 x 100 = 77.55%