-41.11% is the change from 669 to 394
Calculation steps:
[( 394 - 669 ) ÷ 669] x 100 = -41.11%
Formula
Percentage change = [(394 - 669) / 669] x 100
Subtract the new number by the original number
394 - 669 = -275
-275 ÷ 669 = -0.4110612855007474
-0.4110612855007474 x 100 = -41.11%