-62.5% is the change from 832 to 312
Calculation steps:
[( 312 - 832 ) ÷ 832] x 100 = -62.5%
Formula
Percentage change = [(312 - 832) / 832] x 100
Subtract the new number by the original number
312 - 832 = -520
-520 ÷ 832 = -0.625
-0.625 x 100 = -62.5%