36.74% is the change from 215 to 294
Calculation steps:
[( 294 - 215 ) ÷ 215] x 100 = 36.74%
Formula
Percentage change = [(294 - 215) / 215] x 100
Subtract the new number by the original number
294 - 215 = 79
79 ÷ 215 = 0.3674418604651163
0.3674418604651163 x 100 = 36.74%