-86.57% is the change from 335 to 45
Calculation steps:
[( 45 - 335 ) ÷ 335] x 100 = -86.57%
Formula
Percentage change = [(45 - 335) / 335] x 100
Subtract the new number by the original number
45 - 335 = -290
-290 ÷ 335 = -0.8656716417910447
-0.8656716417910447 x 100 = -86.57%