-37.17% is the change from 339 to 213
Calculation steps:
[( 213 - 339 ) ÷ 339] x 100 = -37.17%
Formula
Percentage change = [(213 - 339) / 339] x 100
Subtract the new number by the original number
213 - 339 = -126
-126 ÷ 339 = -0.37168141592920356
-0.37168141592920356 x 100 = -37.17%