64.79% is the change from 213 to 351
Calculation steps:
[( 351 - 213 ) ÷ 213] x 100 = 64.79%
Formula
Percentage change = [(351 - 213) / 213] x 100
Subtract the new number by the original number
351 - 213 = 138
138 ÷ 213 = 0.647887323943662
0.647887323943662 x 100 = 64.79%