-52.59% is the change from 637 to 302
Calculation steps:
[( 302 - 637 ) ÷ 637] x 100 = -52.59%
Formula
Percentage change = [(302 - 637) / 637] x 100
Subtract the new number by the original number
302 - 637 = -335
-335 ÷ 637 = -0.5259026687598116
-0.5259026687598116 x 100 = -52.59%