65.69% is the change from 274 to 454
Calculation steps:
[( 454 - 274 ) ÷ 274] x 100 = 65.69%
Formula
Percentage change = [(454 - 274) / 274] x 100
Subtract the new number by the original number
454 - 274 = 180
180 ÷ 274 = 0.656934306569343
0.656934306569343 x 100 = 65.69%