68.77% is the change from 381 to 643
Calculation steps:
[( 643 - 381 ) ÷ 381] x 100 = 68.77%
Formula
Percentage change = [(643 - 381) / 381] x 100
Subtract the new number by the original number
643 - 381 = 262
262 ÷ 381 = 0.6876640419947506
0.6876640419947506 x 100 = 68.77%