21.25% is the change from 687 to 833
Calculation steps:
[( 833 - 687 ) ÷ 687] x 100 = 21.25%
Formula
Percentage change = [(833 - 687) / 687] x 100
Subtract the new number by the original number
833 - 687 = 146
146 ÷ 687 = 0.21251819505094613
0.21251819505094613 x 100 = 21.25%