341.47% is the change from 217 to 958
Calculation steps:
[( 958 - 217 ) ÷ 217] x 100 = 341.47%
Formula
Percentage change = [(958 - 217) / 217] x 100
Subtract the new number by the original number
958 - 217 = 741
741 ÷ 217 = 3.414746543778802
3.414746543778802 x 100 = 341.47%