99.03% is the change from 412 to 820
Calculation steps:
[( 820 - 412 ) ÷ 412] x 100 = 99.03%
Formula
Percentage change = [(820 - 412) / 412] x 100
Subtract the new number by the original number
820 - 412 = 408
408 ÷ 412 = 0.9902912621359223
0.9902912621359223 x 100 = 99.03%