64.32% is the change from 213 to 350
Calculation steps:
[( 350 - 213 ) ÷ 213] x 100 = 64.32%
Formula
Percentage change = [(350 - 213) / 213] x 100
Subtract the new number by the original number
350 - 213 = 137
137 ÷ 213 = 0.6431924882629108
0.6431924882629108 x 100 = 64.32%