-61.67% is the change from 814 to 312
Calculation steps:
[( 312 - 814 ) ÷ 814] x 100 = -61.67%
Formula
Percentage change = [(312 - 814) / 814] x 100
Subtract the new number by the original number
312 - 814 = -502
-502 ÷ 814 = -0.6167076167076168
-0.6167076167076168 x 100 = -61.67%