-42.35% is the change from 307 to 177
Calculation steps:
[( 177 - 307 ) ÷ 307] x 100 = -42.35%
Formula
Percentage change = [(177 - 307) / 307] x 100
Subtract the new number by the original number
177 - 307 = -130
-130 ÷ 307 = -0.4234527687296417
-0.4234527687296417 x 100 = -42.35%