-73.13% is the change from 335 to 90
Calculation steps:
[( 90 - 335 ) ÷ 335] x 100 = -73.13%
Formula
Percentage change = [(90 - 335) / 335] x 100
Subtract the new number by the original number
90 - 335 = -245
-245 ÷ 335 = -0.7313432835820896
-0.7313432835820896 x 100 = -73.13%