-66.33% is the change from 398 to 134
Calculation steps:
[( 134 - 398 ) ÷ 398] x 100 = -66.33%
Formula
Percentage change = [(134 - 398) / 398] x 100
Subtract the new number by the original number
134 - 398 = -264
-264 ÷ 398 = -0.6633165829145728
-0.6633165829145728 x 100 = -66.33%