-84.98% is the change from 812 to 122
Calculation steps:
[( 122 - 812 ) ÷ 812] x 100 = -84.98%
Formula
Percentage change = [(122 - 812) / 812] x 100
Subtract the new number by the original number
122 - 812 = -690
-690 ÷ 812 = -0.8497536945812808
-0.8497536945812808 x 100 = -84.98%