-20.92% is the change from 846 to 669
Calculation steps:
[( 669 - 846 ) ÷ 846] x 100 = -20.92%
Formula
Percentage change = [(669 - 846) / 846] x 100
Subtract the new number by the original number
669 - 846 = -177
-177 ÷ 846 = -0.20921985815602837
-0.20921985815602837 x 100 = -20.92%