-74.3% is the change from 607 to 156
Calculation steps:
[( 156 - 607 ) ÷ 607] x 100 = -74.3%
Formula
Percentage change = [(156 - 607) / 607] x 100
Subtract the new number by the original number
156 - 607 = -451
-451 ÷ 607 = -0.742998352553542
-0.742998352553542 x 100 = -74.3%