242.99% is the change from 214 to 734
Calculation steps:
[( 734 - 214 ) ÷ 214] x 100 = 242.99%
Formula
Percentage change = [(734 - 214) / 214] x 100
Subtract the new number by the original number
734 - 214 = 520
520 ÷ 214 = 2.4299065420560746
2.4299065420560746 x 100 = 242.99%