60.49% is the change from 81 to 130
Calculation steps:
[( 130 - 81 ) ÷ 81] x 100 = 60.49%
Formula
Percentage change = [(130 - 81) / 81] x 100
Subtract the new number by the original number
130 - 81 = 49
49 ÷ 81 = 0.6049382716049383
0.6049382716049383 x 100 = 60.49%