-69.58% is the change from 549 to 167
Calculation steps:
[( 167 - 549 ) ÷ 549] x 100 = -69.58%
Formula
Percentage change = [(167 - 549) / 549] x 100
Subtract the new number by the original number
167 - 549 = -382
-382 ÷ 549 = -0.6958105646630237
-0.6958105646630237 x 100 = -69.58%