-74.77% is the change from 650 to 164
Calculation steps:
[( 164 - 650 ) ÷ 650] x 100 = -74.77%
Formula
Percentage change = [(164 - 650) / 650] x 100
Subtract the new number by the original number
164 - 650 = -486
-486 ÷ 650 = -0.7476923076923077
-0.7476923076923077 x 100 = -74.77%