-55.88% is the change from 204 to 90
Calculation steps:
[( 90 - 204 ) ÷ 204] x 100 = -55.88%
Formula
Percentage change = [(90 - 204) / 204] x 100
Subtract the new number by the original number
90 - 204 = -114
-114 ÷ 204 = -0.5588235294117647
-0.5588235294117647 x 100 = -55.88%