-70.96% is the change from 816 to 237
Calculation steps:
[( 237 - 816 ) ÷ 816] x 100 = -70.96%
Formula
Percentage change = [(237 - 816) / 816] x 100
Subtract the new number by the original number
237 - 816 = -579
-579 ÷ 816 = -0.7095588235294118
-0.7095588235294118 x 100 = -70.96%