81.25% is the change from 144 to 261
Calculation steps:
[( 261 - 144 ) ÷ 144] x 100 = 81.25%
Formula
Percentage change = [(261 - 144) / 144] x 100
Subtract the new number by the original number
261 - 144 = 117
117 ÷ 144 = 0.8125
0.8125 x 100 = 81.25%