-83.11% is the change from 219 to 37
Calculation steps:
[( 37 - 219 ) ÷ 219] x 100 = -83.11%
Formula
Percentage change = [(37 - 219) / 219] x 100
Subtract the new number by the original number
37 - 219 = -182
-182 ÷ 219 = -0.8310502283105022
-0.8310502283105022 x 100 = -83.11%