51.16% is the change from 215 to 325
Calculation steps:
[( 325 - 215 ) ÷ 215] x 100 = 51.16%
Formula
Percentage change = [(325 - 215) / 215] x 100
Subtract the new number by the original number
325 - 215 = 110
110 ÷ 215 = 0.5116279069767442
0.5116279069767442 x 100 = 51.16%