-59.65% is the change from 632 to 255
Calculation steps:
[( 255 - 632 ) ÷ 632] x 100 = -59.65%
Formula
Percentage change = [(255 - 632) / 632] x 100
Subtract the new number by the original number
255 - 632 = -377
-377 ÷ 632 = -0.5965189873417721
-0.5965189873417721 x 100 = -59.65%