40.98% is the change from 61 to 86
Calculation steps:
[( 86 - 61 ) ÷ 61] x 100 = 40.98%
Formula
Percentage change = [(86 - 61) / 61] x 100
Subtract the new number by the original number
86 - 61 = 25
25 ÷ 61 = 0.4098360655737705
0.4098360655737705 x 100 = 40.98%