81.91% is the change from 376 to 684
Calculation steps:
[( 684 - 376 ) ÷ 376] x 100 = 81.91%
Formula
Percentage change = [(684 - 376) / 376] x 100
Subtract the new number by the original number
684 - 376 = 308
308 ÷ 376 = 0.8191489361702128
0.8191489361702128 x 100 = 81.91%