97.64% is the change from 423 to 836
Calculation steps:
[( 836 - 423 ) ÷ 423] x 100 = 97.64%
Formula
Percentage change = [(836 - 423) / 423] x 100
Subtract the new number by the original number
836 - 423 = 413
413 ÷ 423 = 0.9763593380614657
0.9763593380614657 x 100 = 97.64%