-69.16% is the change from 227 to 70
Calculation steps:
[( 70 - 227 ) ÷ 227] x 100 = -69.16%
Formula
Percentage change = [(70 - 227) / 227] x 100
Subtract the new number by the original number
70 - 227 = -157
-157 ÷ 227 = -0.6916299559471366
-0.6916299559471366 x 100 = -69.16%