-1.82% is the change from 822 to 807
Calculation steps:
[( 807 - 822 ) ÷ 822] x 100 = -1.82%
Formula
Percentage change = [(807 - 822) / 822] x 100
Subtract the new number by the original number
807 - 822 = -15
-15 ÷ 822 = -0.01824817518248175
-0.01824817518248175 x 100 = -1.82%