-37.61% is the change from 218 to 136
Calculation steps:
[( 136 - 218 ) ÷ 218] x 100 = -37.61%
Formula
Percentage change = [(136 - 218) / 218] x 100
Subtract the new number by the original number
136 - 218 = -82
-82 ÷ 218 = -0.3761467889908257
-0.3761467889908257 x 100 = -37.61%