-62.5% is the change from 336 to 126
Calculation steps:
[( 126 - 336 ) ÷ 336] x 100 = -62.5%
Formula
Percentage change = [(126 - 336) / 336] x 100
Subtract the new number by the original number
126 - 336 = -210
-210 ÷ 336 = -0.625
-0.625 x 100 = -62.5%