-24.58% is the change from 830 to 626
Calculation steps:
[( 626 - 830 ) ÷ 830] x 100 = -24.58%
Formula
Percentage change = [(626 - 830) / 830] x 100
Subtract the new number by the original number
626 - 830 = -204
-204 ÷ 830 = -0.2457831325301205
-0.2457831325301205 x 100 = -24.58%