-64.65% is the change from 198 to 70
Calculation steps:
[( 70 - 198 ) ÷ 198] x 100 = -64.65%
Formula
Percentage change = [(70 - 198) / 198] x 100
Subtract the new number by the original number
70 - 198 = -128
-128 ÷ 198 = -0.6464646464646465
-0.6464646464646465 x 100 = -64.65%