-74.34% is the change from 834 to 214
Calculation steps:
[( 214 - 834 ) ÷ 834] x 100 = -74.34%
Formula
Percentage change = [(214 - 834) / 834] x 100
Subtract the new number by the original number
214 - 834 = -620
-620 ÷ 834 = -0.7434052757793765
-0.7434052757793765 x 100 = -74.34%