-75.2% is the change from 863 to 214
Calculation steps:
[( 214 - 863 ) ÷ 863] x 100 = -75.2%
Formula
Percentage change = [(214 - 863) / 863] x 100
Subtract the new number by the original number
214 - 863 = -649
-649 ÷ 863 = -0.7520278099652375
-0.7520278099652375 x 100 = -75.2%