-70.62% is the change from 810 to 238
Calculation steps:
[( 238 - 810 ) ÷ 810] x 100 = -70.62%
Formula
Percentage change = [(238 - 810) / 810] x 100
Subtract the new number by the original number
238 - 810 = -572
-572 ÷ 810 = -0.7061728395061728
-0.7061728395061728 x 100 = -70.62%