58.99% is the change from 217 to 345
Calculation steps:
[( 345 - 217 ) ÷ 217] x 100 = 58.99%
Formula
Percentage change = [(345 - 217) / 217] x 100
Subtract the new number by the original number
345 - 217 = 128
128 ÷ 217 = 0.5898617511520737
0.5898617511520737 x 100 = 58.99%