-70.78% is the change from 811 to 237
Calculation steps:
[( 237 - 811 ) ÷ 811] x 100 = -70.78%
Formula
Percentage change = [(237 - 811) / 811] x 100
Subtract the new number by the original number
237 - 811 = -574
-574 ÷ 811 = -0.7077681874229347
-0.7077681874229347 x 100 = -70.78%