-77.57% is the change from 700 to 157
Calculation steps:
[( 157 - 700 ) ÷ 700] x 100 = -77.57%
Formula
Percentage change = [(157 - 700) / 700] x 100
Subtract the new number by the original number
157 - 700 = -543
-543 ÷ 700 = -0.7757142857142857
-0.7757142857142857 x 100 = -77.57%