-37.16% is the change from 218 to 137
Calculation steps:
[( 137 - 218 ) ÷ 218] x 100 = -37.16%
Formula
Percentage change = [(137 - 218) / 218] x 100
Subtract the new number by the original number
137 - 218 = -81
-81 ÷ 218 = -0.37155963302752293
-0.37155963302752293 x 100 = -37.16%