-70.48% is the change from 857 to 253
Calculation steps:
[( 253 - 857 ) ÷ 857] x 100 = -70.48%
Formula
Percentage change = [(253 - 857) / 857] x 100
Subtract the new number by the original number
253 - 857 = -604
-604 ÷ 857 = -0.704784130688448
-0.704784130688448 x 100 = -70.48%