-70.09% is the change from 438 to 131
Calculation steps:
[( 131 - 438 ) ÷ 438] x 100 = -70.09%
Formula
Percentage change = [(131 - 438) / 438] x 100
Subtract the new number by the original number
131 - 438 = -307
-307 ÷ 438 = -0.7009132420091324
-0.7009132420091324 x 100 = -70.09%