346.51% is the change from 215 to 960
Calculation steps:
[( 960 - 215 ) ÷ 215] x 100 = 346.51%
Formula
Percentage change = [(960 - 215) / 215] x 100
Subtract the new number by the original number
960 - 215 = 745
745 ÷ 215 = 3.4651162790697674
3.4651162790697674 x 100 = 346.51%