-69.57% is the change from 516 to 157
Calculation steps:
[( 157 - 516 ) ÷ 516] x 100 = -69.57%
Formula
Percentage change = [(157 - 516) / 516] x 100
Subtract the new number by the original number
157 - 516 = -359
-359 ÷ 516 = -0.6957364341085271
-0.6957364341085271 x 100 = -69.57%