77.11% is the change from 166 to 294
Calculation steps:
[( 294 - 166 ) ÷ 166] x 100 = 77.11%
Formula
Percentage change = [(294 - 166) / 166] x 100
Subtract the new number by the original number
294 - 166 = 128
128 ÷ 166 = 0.7710843373493976
0.7710843373493976 x 100 = 77.11%