-74.45% is the change from 857 to 219
Calculation steps:
[( 219 - 857 ) ÷ 857] x 100 = -74.45%
Formula
Percentage change = [(219 - 857) / 857] x 100
Subtract the new number by the original number
219 - 857 = -638
-638 ÷ 857 = -0.7444574095682613
-0.7444574095682613 x 100 = -74.45%