-75.24% is the change from 307 to 76
Calculation steps:
[( 76 - 307 ) ÷ 307] x 100 = -75.24%
Formula
Percentage change = [(76 - 307) / 307] x 100
Subtract the new number by the original number
76 - 307 = -231
-231 ÷ 307 = -0.752442996742671
-0.752442996742671 x 100 = -75.24%