351.16% is the change from 215 to 970
Calculation steps:
[( 970 - 215 ) ÷ 215] x 100 = 351.16%
Formula
Percentage change = [(970 - 215) / 215] x 100
Subtract the new number by the original number
970 - 215 = 755
755 ÷ 215 = 3.511627906976744
3.511627906976744 x 100 = 351.16%