33.19% is the change from 687 to 915
Calculation steps:
[( 915 - 687 ) ÷ 687] x 100 = 33.19%
Formula
Percentage change = [(915 - 687) / 687] x 100
Subtract the new number by the original number
915 - 687 = 228
228 ÷ 687 = 0.3318777292576419
0.3318777292576419 x 100 = 33.19%
Example