-37.57% is the change from 857 to 535
Calculation steps:
[( 535 - 857 ) ÷ 857] x 100 = -37.57%
Formula
Percentage change = [(535 - 857) / 857] x 100
Subtract the new number by the original number
535 - 857 = -322
-322 ÷ 857 = -0.3757292882147025
-0.3757292882147025 x 100 = -37.57%