-77.89% is the change from 814 to 180
Calculation steps:
[( 180 - 814 ) ÷ 814] x 100 = -77.89%
Formula
Percentage change = [(180 - 814) / 814] x 100
Subtract the new number by the original number
180 - 814 = -634
-634 ÷ 814 = -0.7788697788697788
-0.7788697788697788 x 100 = -77.89%