-87.62% is the change from 307 to 38
Calculation steps:
[( 38 - 307 ) ÷ 307] x 100 = -87.62%
Formula
Percentage change = [(38 - 307) / 307] x 100
Subtract the new number by the original number
38 - 307 = -269
-269 ÷ 307 = -0.8762214983713354
-0.8762214983713354 x 100 = -87.62%