-83.04% is the change from 578 to 98
Calculation steps:
[( 98 - 578 ) ÷ 578] x 100 = -83.04%
Formula
Percentage change = [(98 - 578) / 578] x 100
Subtract the new number by the original number
98 - 578 = -480
-480 ÷ 578 = -0.8304498269896193
-0.8304498269896193 x 100 = -83.04%