-33% is the change from 300 to 201
Calculation steps:
[( 201 - 300 ) ÷ 300] x 100 = -33%
Formula
Percentage change = [(201 - 300) / 300] x 100
Subtract the new number by the original number
201 - 300 = -99
-99 ÷ 300 = -0.33
-0.33 x 100 = -33%
Example