154.8% is the change from 177 to 451
Calculation steps:
[( 451 - 177 ) ÷ 177] x 100 = 154.8%
Formula
Percentage change = [(451 - 177) / 177] x 100
Subtract the new number by the original number
451 - 177 = 274
274 ÷ 177 = 1.5480225988700564
1.5480225988700564 x 100 = 154.8%