-37.34% is the change from 857 to 537
Calculation steps:
[( 537 - 857 ) ÷ 857] x 100 = -37.34%
Formula
Percentage change = [(537 - 857) / 857] x 100
Subtract the new number by the original number
537 - 857 = -320
-320 ÷ 857 = -0.3733955659276546
-0.3733955659276546 x 100 = -37.34%