-67.77% is the change from 422 to 136
Calculation steps:
[( 136 - 422 ) ÷ 422] x 100 = -67.77%
Formula
Percentage change = [(136 - 422) / 422] x 100
Subtract the new number by the original number
136 - 422 = -286
-286 ÷ 422 = -0.6777251184834123
-0.6777251184834123 x 100 = -67.77%