-42.94% is the change from 538 to 307
Calculation steps:
[( 307 - 538 ) ÷ 538] x 100 = -42.94%
Formula
Percentage change = [(307 - 538) / 538] x 100
Subtract the new number by the original number
307 - 538 = -231
-231 ÷ 538 = -0.42936802973977695
-0.42936802973977695 x 100 = -42.94%