-54.82% is the change from 830 to 375
Calculation steps:
[( 375 - 830 ) ÷ 830] x 100 = -54.82%
Formula
Percentage change = [(375 - 830) / 830] x 100
Subtract the new number by the original number
375 - 830 = -455
-455 ÷ 830 = -0.5481927710843374
-0.5481927710843374 x 100 = -54.82%