50.87% is the change from 346 to 522
Calculation steps:
[( 522 - 346 ) ÷ 346] x 100 = 50.87%
Formula
Percentage change = [(522 - 346) / 346] x 100
Subtract the new number by the original number
522 - 346 = 176
176 ÷ 346 = 0.5086705202312138
0.5086705202312138 x 100 = 50.87%