32.86% is the change from 639 to 849
Calculation steps:
[( 849 - 639 ) ÷ 639] x 100 = 32.86%
Formula
Percentage change = [(849 - 639) / 639] x 100
Subtract the new number by the original number
849 - 639 = 210
210 ÷ 639 = 0.3286384976525822
0.3286384976525822 x 100 = 32.86%