-47.43% is the change from 816 to 429
Calculation steps:
[( 429 - 816 ) ÷ 816] x 100 = -47.43%
Formula
Percentage change = [(429 - 816) / 816] x 100
Subtract the new number by the original number
429 - 816 = -387
-387 ÷ 816 = -0.4742647058823529
-0.4742647058823529 x 100 = -47.43%