-74.6% is the change from 618 to 157
Calculation steps:
[( 157 - 618 ) ÷ 618] x 100 = -74.6%
Formula
Percentage change = [(157 - 618) / 618] x 100
Subtract the new number by the original number
157 - 618 = -461
-461 ÷ 618 = -0.7459546925566343
-0.7459546925566343 x 100 = -74.6%