What is % of ?

 %

[input1]	% of	[input2]	=	[output]
15	% of	60	=	9

is what percent of ?

 %

[input1]	is	[output]	% of	[input2]
20	is	25	% of	80

What is the percentage increase/decrease
from to ?

 %

[input2]	is	[output]	% more/less than	[input1]
120	is	140	% more/less than	120