-58% is the change from 650 to 273
Calculation steps:
[( 273 - 650 ) ÷ 650] x 100 = -58%
Formula
Percentage change = [(273 - 650) / 650] x 100
Subtract the new number by the original number
273 - 650 = -377
-377 ÷ 650 = -0.58
-0.58 x 100 = -58%
Example