-22.11% is the change from 814 to 634
Calculation steps:
[( 634 - 814 ) ÷ 814] x 100 = -22.11%
Formula
Percentage change = [(634 - 814) / 814] x 100
Subtract the new number by the original number
634 - 814 = -180
-180 ÷ 814 = -0.22113022113022113
-0.22113022113022113 x 100 = -22.11%