-26.02% is the change from 830 to 614
Calculation steps:
[( 614 - 830 ) ÷ 830] x 100 = -26.02%
Formula
Percentage change = [(614 - 830) / 830] x 100
Subtract the new number by the original number
614 - 830 = -216
-216 ÷ 830 = -0.26024096385542167
-0.26024096385542167 x 100 = -26.02%