63.74% is the change from 342 to 560
Calculation steps:
[( 560 - 342 ) ÷ 342] x 100 = 63.74%
Formula
Percentage change = [(560 - 342) / 342] x 100
Subtract the new number by the original number
560 - 342 = 218
218 ÷ 342 = 0.6374269005847953
0.6374269005847953 x 100 = 63.74%