75.51% is the change from 49 to 86
Calculation steps:
[( 86 - 49 ) ÷ 49] x 100 = 75.51%
Formula
Percentage change = [(86 - 49) / 49] x 100
Subtract the new number by the original number
86 - 49 = 37
37 ÷ 49 = 0.7551020408163265
0.7551020408163265 x 100 = 75.51%