-66.11% is the change from 602 to 204
Calculation steps:
[( 204 - 602 ) ÷ 602] x 100 = -66.11%
Formula
Percentage change = [(204 - 602) / 602] x 100
Subtract the new number by the original number
204 - 602 = -398
-398 ÷ 602 = -0.6611295681063123
-0.6611295681063123 x 100 = -66.11%