69.21% is the change from 341 to 577
Calculation steps:
[( 577 - 341 ) ÷ 341] x 100 = 69.21%
Formula
Percentage change = [(577 - 341) / 341] x 100
Subtract the new number by the original number
577 - 341 = 236
236 ÷ 341 = 0.6920821114369502
0.6920821114369502 x 100 = 69.21%