-77.09% is the change from 934 to 214
Calculation steps:
[( 214 - 934 ) ÷ 934] x 100 = -77.09%
Formula
Percentage change = [(214 - 934) / 934] x 100
Subtract the new number by the original number
214 - 934 = -720
-720 ÷ 934 = -0.7708779443254818
-0.7708779443254818 x 100 = -77.09%