262.96% is the change from 81 to 294
Calculation steps:
[( 294 - 81 ) ÷ 81] x 100 = 262.96%
Formula
Percentage change = [(294 - 81) / 81] x 100
Subtract the new number by the original number
294 - 81 = 213
213 ÷ 81 = 2.6296296296296298
2.6296296296296298 x 100 = 262.96%