-81.14% is the change from 334 to 63
Calculation steps:
[( 63 - 334 ) ÷ 334] x 100 = -81.14%
Formula
Percentage change = [(63 - 334) / 334] x 100
Subtract the new number by the original number
63 - 334 = -271
-271 ÷ 334 = -0.811377245508982
-0.811377245508982 x 100 = -81.14%