-50.95% is the change from 632 to 310
Calculation steps:
[( 310 - 632 ) ÷ 632] x 100 = -50.95%
Formula
Percentage change = [(310 - 632) / 632] x 100
Subtract the new number by the original number
310 - 632 = -322
-322 ÷ 632 = -0.509493670886076
-0.509493670886076 x 100 = -50.95%