62.35% is the change from 340 to 552
Calculation steps:
[( 552 - 340 ) ÷ 340] x 100 = 62.35%
Formula
Percentage change = [(552 - 340) / 340] x 100
Subtract the new number by the original number
552 - 340 = 212
212 ÷ 340 = 0.6235294117647059
0.6235294117647059 x 100 = 62.35%