-25.38% is the change from 650 to 485
Calculation steps:
[( 485 - 650 ) ÷ 650] x 100 = -25.38%
Formula
Percentage change = [(485 - 650) / 650] x 100
Subtract the new number by the original number
485 - 650 = -165
-165 ÷ 650 = -0.25384615384615383
-0.25384615384615383 x 100 = -25.38%