52.63% is the change from 342 to 522
Calculation steps:
[( 522 - 342 ) ÷ 342] x 100 = 52.63%
Formula
Percentage change = [(522 - 342) / 342] x 100
Subtract the new number by the original number
522 - 342 = 180
180 ÷ 342 = 0.5263157894736842
0.5263157894736842 x 100 = 52.63%