-60.66% is the change from 422 to 166
Calculation steps:
[( 166 - 422 ) ÷ 422] x 100 = -60.66%
Formula
Percentage change = [(166 - 422) / 422] x 100
Subtract the new number by the original number
166 - 422 = -256
-256 ÷ 422 = -0.6066350710900474
-0.6066350710900474 x 100 = -60.66%