61.03% is the change from 213 to 343
Calculation steps:
[( 343 - 213 ) ÷ 213] x 100 = 61.03%
Formula
Percentage change = [(343 - 213) / 213] x 100
Subtract the new number by the original number
343 - 213 = 130
130 ÷ 213 = 0.6103286384976526
0.6103286384976526 x 100 = 61.03%