3147.62% is the change from 21 to 682
Calculation steps:
[( 682 - 21 ) ÷ 21] x 100 = 3147.62%
Formula
Percentage change = [(682 - 21) / 21] x 100
Subtract the new number by the original number
682 - 21 = 661
661 ÷ 21 = 31.476190476190474
31.476190476190474 x 100 = 3147.62%