57.98% is the change from 326 to 515
Calculation steps:
[( 515 - 326 ) ÷ 326] x 100 = 57.98%
Formula
Percentage change = [(515 - 326) / 326] x 100
Subtract the new number by the original number
515 - 326 = 189
189 ÷ 326 = 0.5797546012269938
0.5797546012269938 x 100 = 57.98%