-21.11% is the change from 848 to 669
Calculation steps:
[( 669 - 848 ) ÷ 848] x 100 = -21.11%
Formula
Percentage change = [(669 - 848) / 848] x 100
Subtract the new number by the original number
669 - 848 = -179
-179 ÷ 848 = -0.21108490566037735
-0.21108490566037735 x 100 = -21.11%