82.45% is the change from 376 to 686
Calculation steps:
[( 686 - 376 ) ÷ 376] x 100 = 82.45%
Formula
Percentage change = [(686 - 376) / 376] x 100
Subtract the new number by the original number
686 - 376 = 310
310 ÷ 376 = 0.824468085106383
0.824468085106383 x 100 = 82.45%