-77.13% is the change from 669 to 153
Calculation steps:
[( 153 - 669 ) ÷ 669] x 100 = -77.13%
Formula
Percentage change = [(153 - 669) / 669] x 100
Subtract the new number by the original number
153 - 669 = -516
-516 ÷ 669 = -0.7713004484304933
-0.7713004484304933 x 100 = -77.13%