-75.82% is the change from 306 to 74
Calculation steps:
[( 74 - 306 ) ÷ 306] x 100 = -75.82%
Formula
Percentage change = [(74 - 306) / 306] x 100
Subtract the new number by the original number
74 - 306 = -232
-232 ÷ 306 = -0.7581699346405228
-0.7581699346405228 x 100 = -75.82%