-74.55% is the change from 334 to 85
Calculation steps:
[( 85 - 334 ) ÷ 334] x 100 = -74.55%
Formula
Percentage change = [(85 - 334) / 334] x 100
Subtract the new number by the original number
85 - 334 = -249
-249 ÷ 334 = -0.7455089820359282
-0.7455089820359282 x 100 = -74.55%