121.3% is the change from 277 to 613
Calculation steps:
[( 613 - 277 ) ÷ 277] x 100 = 121.3%
Formula
Percentage change = [(613 - 277) / 277] x 100
Subtract the new number by the original number
613 - 277 = 336
336 ÷ 277 = 1.2129963898916967
1.2129963898916967 x 100 = 121.3%