77.87% is the change from 348 to 619
Calculation steps:
[( 619 - 348 ) ÷ 348] x 100 = 77.87%
Formula
Percentage change = [(619 - 348) / 348] x 100
Subtract the new number by the original number
619 - 348 = 271
271 ÷ 348 = 0.7787356321839081
0.7787356321839081 x 100 = 77.87%