-59.23% is the change from 336 to 137
Calculation steps:
[( 137 - 336 ) ÷ 336] x 100 = -59.23%
Formula
Percentage change = [(137 - 336) / 336] x 100
Subtract the new number by the original number
137 - 336 = -199
-199 ÷ 336 = -0.5922619047619048
-0.5922619047619048 x 100 = -59.23%