-21.82% is the change from 669 to 523
Calculation steps:
[( 523 - 669 ) ÷ 669] x 100 = -21.82%
Formula
Percentage change = [(523 - 669) / 669] x 100
Subtract the new number by the original number
523 - 669 = -146
-146 ÷ 669 = -0.21823617339312407
-0.21823617339312407 x 100 = -21.82%