-34.33% is the change from 335 to 220
Calculation steps:
[( 220 - 335 ) ÷ 335] x 100 = -34.33%
Formula
Percentage change = [(220 - 335) / 335] x 100
Subtract the new number by the original number
220 - 335 = -115
-115 ÷ 335 = -0.34328358208955223
-0.34328358208955223 x 100 = -34.33%