-72.96% is the change from 307 to 83
Calculation steps:
[( 83 - 307 ) ÷ 307] x 100 = -72.96%
Formula
Percentage change = [(83 - 307) / 307] x 100
Subtract the new number by the original number
83 - 307 = -224
-224 ÷ 307 = -0.7296416938110749
-0.7296416938110749 x 100 = -72.96%