-45.05% is the change from 637 to 350
Calculation steps:
[( 350 - 637 ) ÷ 637] x 100 = -45.05%
Formula
Percentage change = [(350 - 637) / 637] x 100
Subtract the new number by the original number
350 - 637 = -287
-287 ÷ 637 = -0.45054945054945056
-0.45054945054945056 x 100 = -45.05%