-55.7% is the change from 851 to 377
Calculation steps:
[( 377 - 851 ) ÷ 851] x 100 = -55.7%
Formula
Percentage change = [(377 - 851) / 851] x 100
Subtract the new number by the original number
377 - 851 = -474
-474 ÷ 851 = -0.5569917743830788
-0.5569917743830788 x 100 = -55.7%