346.05% is the change from 215 to 959
Calculation steps:
[( 959 - 215 ) ÷ 215] x 100 = 346.05%
Formula
Percentage change = [(959 - 215) / 215] x 100
Subtract the new number by the original number
959 - 215 = 744
744 ÷ 215 = 3.4604651162790696
3.4604651162790696 x 100 = 346.05%