-67.97% is the change from 231 to 74
Calculation steps:
[( 74 - 231 ) ÷ 231] x 100 = -67.97%
Formula
Percentage change = [(74 - 231) / 231] x 100
Subtract the new number by the original number
74 - 231 = -157
-157 ÷ 231 = -0.6796536796536796
-0.6796536796536796 x 100 = -67.97%