134.67% is the change from 274 to 643
Calculation steps:
[( 643 - 274 ) ÷ 274] x 100 = 134.67%
Formula
Percentage change = [(643 - 274) / 274] x 100
Subtract the new number by the original number
643 - 274 = 369
369 ÷ 274 = 1.3467153284671534
1.3467153284671534 x 100 = 134.67%