-47.26% is the change from 402 to 212
Calculation steps:
[( 212 - 402 ) ÷ 402] x 100 = -47.26%
Formula
Percentage change = [(212 - 402) / 402] x 100
Subtract the new number by the original number
212 - 402 = -190
-190 ÷ 402 = -0.472636815920398
-0.472636815920398 x 100 = -47.26%