241.86% is the change from 215 to 735
Calculation steps:
[( 735 - 215 ) ÷ 215] x 100 = 241.86%
Formula
Percentage change = [(735 - 215) / 215] x 100
Subtract the new number by the original number
735 - 215 = 520
520 ÷ 215 = 2.4186046511627906
2.4186046511627906 x 100 = 241.86%