-86.53% is the change from 334 to 45
Calculation steps:
[( 45 - 334 ) ÷ 334] x 100 = -86.53%
Formula
Percentage change = [(45 - 334) / 334] x 100
Subtract the new number by the original number
45 - 334 = -289
-289 ÷ 334 = -0.8652694610778443
-0.8652694610778443 x 100 = -86.53%