134.78% is the change from 276 to 648
Calculation steps:
[( 648 - 276 ) ÷ 276] x 100 = 134.78%
Formula
Percentage change = [(648 - 276) / 276] x 100
Subtract the new number by the original number
648 - 276 = 372
372 ÷ 276 = 1.3478260869565217
1.3478260869565217 x 100 = 134.78%