-75.64% is the change from 312 to 76
Calculation steps:
[( 76 - 312 ) ÷ 312] x 100 = -75.64%
Formula
Percentage change = [(76 - 312) / 312] x 100
Subtract the new number by the original number
76 - 312 = -236
-236 ÷ 312 = -0.7564102564102564
-0.7564102564102564 x 100 = -75.64%