261.73% is the change from 81 to 293
Calculation steps:
[( 293 - 81 ) ÷ 81] x 100 = 261.73%
Formula
Percentage change = [(293 - 81) / 81] x 100
Subtract the new number by the original number
293 - 81 = 212
212 ÷ 81 = 2.617283950617284
2.617283950617284 x 100 = 261.73%