-33.25% is the change from 830 to 554
Calculation steps:
[( 554 - 830 ) ÷ 830] x 100 = -33.25%
Formula
Percentage change = [(554 - 830) / 830] x 100
Subtract the new number by the original number
554 - 830 = -276
-276 ÷ 830 = -0.3325301204819277
-0.3325301204819277 x 100 = -33.25%