63.77% is the change from 345 to 565
Calculation steps:
[( 565 - 345 ) ÷ 345] x 100 = 63.77%
Formula
Percentage change = [(565 - 345) / 345] x 100
Subtract the new number by the original number
565 - 345 = 220
220 ÷ 345 = 0.6376811594202898
0.6376811594202898 x 100 = 63.77%