-33.99% is the change from 306 to 202
Calculation steps:
[( 202 - 306 ) ÷ 306] x 100 = -33.99%
Formula
Percentage change = [(202 - 306) / 306] x 100
Subtract the new number by the original number
202 - 306 = -104
-104 ÷ 306 = -0.33986928104575165
-0.33986928104575165 x 100 = -33.99%