34.87% is the change from 608 to 820
Calculation steps:
[( 820 - 608 ) ÷ 608] x 100 = 34.87%
Formula
Percentage change = [(820 - 608) / 608] x 100
Subtract the new number by the original number
820 - 608 = 212
212 ÷ 608 = 0.34868421052631576
0.34868421052631576 x 100 = 34.87%