-94.01% is the change from 334 to 20
Calculation steps:
[( 20 - 334 ) ÷ 334] x 100 = -94.01%
Formula
Percentage change = [(20 - 334) / 334] x 100
Subtract the new number by the original number
20 - 334 = -314
-314 ÷ 334 = -0.9401197604790419
-0.9401197604790419 x 100 = -94.01%