-53.7% is the change from 810 to 375
Calculation steps:
[( 375 - 810 ) ÷ 810] x 100 = -53.7%
Formula
Percentage change = [(375 - 810) / 810] x 100
Subtract the new number by the original number
375 - 810 = -435
-435 ÷ 810 = -0.5370370370370371
-0.5370370370370371 x 100 = -53.7%