342.79% is the change from 215 to 952
Calculation steps:
[( 952 - 215 ) ÷ 215] x 100 = 342.79%
Formula
Percentage change = [(952 - 215) / 215] x 100
Subtract the new number by the original number
952 - 215 = 737
737 ÷ 215 = 3.427906976744186
3.427906976744186 x 100 = 342.79%