79.47% is the change from 341 to 612
Calculation steps:
[( 612 - 341 ) ÷ 341] x 100 = 79.47%
Formula
Percentage change = [(612 - 341) / 341] x 100
Subtract the new number by the original number
612 - 341 = 271
271 ÷ 341 = 0.7947214076246334
0.7947214076246334 x 100 = 79.47%