-81.33% is the change from 814 to 152
Calculation steps:
[( 152 - 814 ) ÷ 814] x 100 = -81.33%
Formula
Percentage change = [(152 - 814) / 814] x 100
Subtract the new number by the original number
152 - 814 = -662
-662 ÷ 814 = -0.8132678132678133
-0.8132678132678133 x 100 = -81.33%