54.34% is the change from 346 to 534
Calculation steps:
[( 534 - 346 ) ÷ 346] x 100 = 54.34%
Formula
Percentage change = [(534 - 346) / 346] x 100
Subtract the new number by the original number
534 - 346 = 188
188 ÷ 346 = 0.5433526011560693
0.5433526011560693 x 100 = 54.34%