-75.35% is the change from 860 to 212
Calculation steps:
[( 212 - 860 ) ÷ 860] x 100 = -75.35%
Formula
Percentage change = [(212 - 860) / 860] x 100
Subtract the new number by the original number
212 - 860 = -648
-648 ÷ 860 = -0.7534883720930232
-0.7534883720930232 x 100 = -75.35%